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JE forged piston kit for Porsche aircooled six-cylinder engines offered as a six-piston set with a 3.858 in. bore and 8.50:1 compression. These pistons are built to provide consistent combustion geometry and durability for engine rebuilds. Manufactured in the USA from 2618 aluminum, JE's Forged Side Relief forging reduces friction and weight; depending on application an accumulator groove and skirt coating may be included, and the kit includes wrist pins, locks and JE Pro Seal rings.
JE Pistons PORSCHE 3.3L DM KIT Set of 6 Pistons
