KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc 1425004 Easy integration of Communication Equipment

Easy integration of Communication Equipment

230 lb/in Spring Rate

2001-2005 GMC Sierra 1500 HD

and 3/4"-16 fine thread gun-drilled

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 Easy integration of Communication EquipmentProduct 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