KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 17.0 cc 915074 0L Drag Race Roller Camshaft

0L Drag Race Roller Camshaft M6250-X303

Bolt-in valve stems allow for a better seal and no leaks

Carb recommendations: Use appropriate 4150 Series racing carburetor

The shim kit comes with three different thickness aluminum shims

KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 17.0 cc 915074 0L Drag Race Roller CamshaftProduct Description: Piston KB Series Hypereutectic 4. 150 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 17. 00 cc Pontiac V8 Set of 8 Created from a high silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still being strong enough to withstand high compression and high temperatures. Each piston is engineered with race ready features like high upper compression ring locations, gas