KB Hypereutectic Piston 4.155" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc BR10021 anodized and laser etched

anodized and laser etched

The "Pure Unadulterated POWER" of DynoMax® Ultra Flo

Polyurethane bump stop is weather resistant and easily adjustable by adding packers to the inner ring

Pushrod diameter: 5/16" (width of slot in guide plate)

DMI Gladiator Yokes

KB Hypereutectic Piston 4.155" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc BR10021 anodized and laser etchedProduct Description: Piston KB Series Hypereutectic 4. 155 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 7. 00 cc Small Block Chevy 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