KB Hypereutectic Piston 4.125" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc 1530A13 Efficient casting design - lightweight

Efficient casting design - lightweight

65:1 RatioFord Racing offers a variety of products for hard core racing and street vehicles

Real-time ECU tuning - HP/Dominator ECUs only

1977-1983 Ford F-150

New Digital Design

KB Hypereutectic Piston 4.125" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc 1530A13 Efficient casting design - lightweightProduct Description: Piston KB Series Hypereutectic 4. 125 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 17. 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