Quick view Details Frankenstein Engine Dynamics Frankenstein M311 BOOST MONSTER PLUS Cylinder Heads - LS3 / LSA / LS9 MSRP: Now: $3,799.96 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein M311 BOOST MONSTER PLUS Cylinder Heads - LS3 / LSA / LS9 Frankenstein M311 BOOST MONSTER PLUS Cylinder Heads - LS3 / LSA / LS9 INCLUDES - TWO (2) FED M311 BOOST MONSTER PLUS Cylinder Heads (OPTIONAL: Billet Rocker Stands) 286 cc intakes for big angry LS3 monsters only. Built for “plus... MSRP: Now: $3,799.96 Choose Options Compare Compare Selected
Quick view Frankenstein Engine Dynamics Frankenstein M311 BOOST MONSTER PLUS Cylinder Heads - LS3 / LSA / LS9 Frankenstein M311 BOOST MONSTER PLUS Cylinder Heads - LS3 / LSA / LS9 INCLUDES - TWO (2) FED M311 BOOST MONSTER PLUS Cylinder Heads (OPTIONAL: Billet Rocker Stands) 286 cc intakes for big angry LS3 monsters only. Built for “plus... MSRP: Now: $3,799.96 Choose Options Compare Compare Selected