KB Piston Hypereutectic 4.250" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc R010003XXXXL A “captured” 1/2"-13 nut eases

A “captured” 1/2"-13 nut eases engine installation

these valve covers feature a sleek flat black powder coated finish with diamond cut finish raised racing stripe and Edelbrock Racing logo

1/8" thick polycarbonate

Integrated jet pump assembly allows retention of factory drivers side fuel pickup

Mounting instructions included with kit

KB Piston Hypereutectic 4.250" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc R010003XXXXL A “captured” 1/2"-13 nut easesProduct Description: Piston KB Series Hypereutectic 4. 250 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 26. 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