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Mahle single‑cylinder piston for Porsche 930 Turbo and related 3.3–3.4L applications from 1978–1992. It fits a 98mm bore with a 74.4mm stroke, 127mm rod length, 23mm pin and has a 14.2cc chamber for a 7.7:1 compression ratio. Use this piston when repairing or rebuilding individual cylinders on later air‑cooled 911/930 engines to maintain correct displacement and compression.
Mahle MS Single Cylinder 78-92 Por 930 T 3.3-3.4L 98mm Bore 74.4 Stk 127mm Rod 23mm Pin 14.2cc 7.7CR
