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This JE Pistons forged single piston is built for Chevrolet LS Gen III/IV applications with a 3.898 in. bore, 1.340 compression distance, and flat-top left piston profile. Forged in the USA from 2618 aluminum, JE applies race-proven designs such as Forged Side Relief to reduce friction and weight, plus skirt coatings and accumulator grooves where specified to optimize durability and ring sealing for demanding engine use.
JE Pistons GM LS1 3.898 in. Bore - 1.340 CD -2cc - Flat Top - Single Piston
