KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 1425004 230 lb/in Spring Rate

230 lb/in Spring Rate

The V belt length from bolt-in mounting bracket to the buckle has adjustable length of 24 to 33 inches

Easy integration of Communication Equipment

Red Cushioned Grip

KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 1425004 230 lb/in Spring RateProduct Description: Piston KB Series Hypereutectic 4. 290 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 8. 00 cc Mopar B Series 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