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Valves

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Manley Performance

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1

MSRP: $49.44

Now: $37.09

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Manley Performance

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8) - 11269-8

MSRP: $366.02

Now: $274.52

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Manley Performance

Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8) - 11279-8

MSRP: $430.39

Now: $322.79

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Manley Performance

Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8) - 11274-8

MSRP: $461.33

Now: $345.99

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Manley Performance

Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8

MSRP: $881.51

Now: $661.13

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Manley Performance

Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8

MSRP: $652.80

Now: $489.59

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Manley Performance

Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8

MSRP: $652.80

Now: $489.59

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Manley Performance

Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8

MSRP: $652.80

Now: $489.59

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Manley Performance

Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1

MSRP: $32.15

Now: $24.11

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Manley Performance

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8

MSRP: $881.51

Now: $661.13

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Manley Performance

Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8

MSRP: $652.80

Now: $489.59

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Manley Performance

Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8

MSRP: $652.80

Now: $489.59

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Manley Performance

Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8

MSRP: $652.80

Now: $489.59

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Manley Performance

Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1

MSRP: $49.44

Now: $37.09

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Manley Performance

Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1

MSRP: $29.94

Now: $22.45

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Manley Performance

Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8

MSRP: $176.47

Now: $132.36

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Manley Performance

Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8

MSRP: $176.47

Now: $132.36

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Manley Performance

Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8

MSRP: $386.34

Now: $289.75

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Manley Performance

Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8

MSRP: $372.19

Now: $279.14

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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $49.44

Now: $37.09
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8) - 11269-8

Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8)

MSRP: $366.02

Now: $274.52
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Manley Performance

Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8) - 11279-8

Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8)

MSRP: $430.39

Now: $322.79
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Manley Performance

Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8) - 11274-8

Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8)

MSRP: $461.33

Now: $345.99
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $881.51

Now: $661.13
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

MSRP: $652.80

Now: $489.59
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
Add to Cart Compare
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Manley Performance

Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

MSRP: $652.80

Now: $489.59
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

MSRP: $652.80

Now: $489.59
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
Add to Cart Compare
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Manley Performance

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $32.15

Now: $24.11
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
Add to Cart Compare
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Manley Performance

Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $881.51

Now: $661.13
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

MSRP: $652.80

Now: $489.59
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

MSRP: $652.80

Now: $489.59
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

MSRP: $652.80

Now: $489.59
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
Add to Cart Compare
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Manley Performance

Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $49.44

Now: $37.09
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
Quick view

Manley Performance

Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $29.94

Now: $22.45
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Manley Performance

Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8

High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.Chrome Stems and Hard Tips: These valves feature chrome stems and...

MSRP: $176.47

Now: $132.36
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Manley Performance

Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8

High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.Chrome Stems and Hard Tips: These valves feature chrome stems and...

MSRP: $176.47

Now: $132.36
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Manley Performance

Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
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Manley Performance

Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $386.34

Now: $289.75
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Manley Performance

Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $372.19

Now: $279.14
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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare

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