KB Hypereutectic Piston 4.070" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 940002 Hedman is so confident in

Hedman is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty

1963-1970 Pontiac Tempest

Upper To Lower

3 :1 AFR 0-5V Output Methanol values from 4

KB Hypereutectic Piston 4.070" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 940002 Hedman is so confident inProduct Description: Piston KB Series Hypereutectic 4. 070 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 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