KB Hypereutectic Piston 4.375" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 6.0 cc L202173 0 build 110 or higher

0 build 110 or higher ***Dominator ECU Required P/N 554-114*** All 10 pins are terminated at the transmission connector

GMM L4 153CI 2

C2500 1986-1979

body mounts etc

One 3-3/8 in Hole

KB Hypereutectic Piston 4.375" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 6.0 cc L202173 0 build 110 or higherProduct Description: Piston KB Series Hypereutectic 4. 375 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 6. 00 cc Oldsmobile V8 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