KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 120008 racing fuel pumpsSince 1938

racing fuel pumpsSince 1938

1969-1973 Chevrolet NovaFits GM Powerglide automatic transmission

The unit can be rotated 180° to change flow direction and includes a universal mounting bracket for 4 different mounting positions

Traction Control - Allows power reduction via timing

KB Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 120008 racing fuel pumpsSince 1938Product Description: Piston KB Series Hypereutectic 4. 030 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 5. 00 cc Small Block Mopar 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