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1989-1989 GMC R2500
JOES Panhard Mount is lightweight but strong enough to withstand extreme racing conditions
Available in five colors
as suspension travels
Off-Road Base
KB Hypereutectic Piston 4.375" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 6.0 cc 4063 1989-1989 GMC R2500Product 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