Description MATERIAL 355-T6 High Density Aluminum APPLICATION Big Block Chevy ASSEMBLED OR BARE Assembled INTAKE RUNNER 340cc CHAMBER VOLUME 124cc MAX LIFT .650″ INTAKE VALVE DIAMETER 2.250″ EXHAUST VALVE DIAMETER 1.880″ VALVE STEM DIAMETER 11/32″ SINGLE OR DUAL SPRING Dual Spring VALVE SPRING OD 1.540″ SPRING SEAT DIA 1.740″ VALVE GUIDE OD .530″ SPARK PLUG TYPE 3/4 Reach / 5/8″ Gasket Style SOLD AS Individually
