KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc 2120014 13 x 13 x 9

13 x 13 x 9 in Tall

This water pump pulley is designed with dual mounting patterns for both Chevy and Ford installation

Stainless Steel Locking Ties NOTE: Wrapping of the catalytic converter is not recommended

2") blocks without manifold spacers and accepts standard height distributors

2-1/2 in ID Springs

KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc 2120014 13 x 13 x 9Product Description: Piston KB Series Hypereutectic 4. 290 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 12. 00 cc Big 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