KB Claimer Series Hypereutectic Piston 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 1425014 our engine oil company pioneered

our engine oil company pioneered the development of break-in oils

base manifold is CNC port matched to upper manifold for maximum power

Alt & P/S or both)

They dimpled their tubes at the port to make more room for the header bolts and they parallel ground their flanges to assure a tight seal

12 hole billet booster inserts for superior atomization and crisp throttle response

KB Claimer Series Hypereutectic Piston 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 1425014 our engine oil company pioneeredProduct Description: Piston Claimer Series Hypereutectic 4. 060 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 5. 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