KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 45BONUS 2-Bolt Flange Inlet

2-Bolt Flange Inlet

12 AN Hose Barb to 12 AN Female

Mechanical Pressure Release Valve

Gauge kit includes mounting hardware and detailed instructions for installationFor decades

KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 45BONUS 2-Bolt Flange InletProduct Description: Piston KB Series Hypereutectic 4. 150 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 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