KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 1425004 2001-2005 GMC Sierra 1500 HD

2001-2005 GMC Sierra 1500 HD

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

Impact absorbing rubber bushings with steel core are used to mount Mustang style racks

KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 1425004 2001-2005 GMC Sierra 1500 HDProduct 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