Product Description
Wiseco Forged Piston - 4.070 Bore / 3.622 Stroke / -25cc Dish - LS Engines
PN: K392X7
Piston Rings Included:
Yes
Bore (in.):
4.070 in.
Bore (mm):
103.378mm
Stroke:
3.622 in.
Rod Length:
6.098 in.
Piston Style:
Dish, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.300 in.
Piston Head Volume (cc):
+25.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in):
0.927 in.
File Fit:
No
Gapless:
No
Top Ring Thickness:
1.2mm
Top Ring Material:
Steel
Top Ring Facing Material:
Gas nitrided
Second Ring Thickness:
1.2mm
Second Ring Material:
Cast iron
Second Ring Facing Material:
Phosphate coated
Oil Ring Thickness:
3.0mm
Oil Ring Material:
Chrome plated carbon steel
Oil Ring Tension:
Standard
Quantity:
Sold as a kit.
Notes:
Designed for Chevrolet LSX engine blocks. Positive twist top ring and Napier scraper second ring.