JE Pistons' forged piston kit for Porsche 3.3L Turbo (set of six) brings race-proven forging and machining, specified for a 3.819" bore and 7.50:1 compression ratio. Made in the USA from high-strength 2618 aluminum, these pistons employ JE's FSR forging to reduce friction and weight, and include wrist pins, locks, and premium piston rings. They're designed to match the demands of tuned air-cooled Porsche engines.
JE Pistons Porsche 3.3L Turbo KIT Set of 6 Pistons