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The Wiseco Professional Series forged piston set for Chevrolet LS1 and 5.3L Vortec applications contains eight pistons sized for a 3.800 in. bore with a 1.110 in. compression height and 0.927 in. pin diameter. Intended for heavy to severe duty race builds, these pistons are forged and machined in the USA from 2618 aluminum and ship with premium rings. Features include precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for seizure resistance, quieter operation, and forced pin oiling for improved durability.
Wiseco SBC LS1 Vortec 5.3L 22RD -7cc 10.25:1 Piston Shelf Stock Kit
