Mahle MS Piston Set Porsche 356 91.0mm Bore 74mm Stroke 135.95mm Rod 22mm Pin 16.6cc 9.5CR Set of 4

This Mahle MS Piston Set includes four pistons, designed for Porsche 356 engines. Each piston features a 91.0mm bore, a 74mm stroke, and is intended to be used with a 135.95mm connecting rod and a 22mm wrist pin. The pistons have a dish volume of 16.6cc, which results in a compression ratio of 9.5:1 when installed in the appropriate engine configuration.

Mahle is a well-known name in engine components, and these pistons are built to meet the demands of performance engine builds. The specific dish volume and pin size are critical for achieving the correct compression and piston-to-valve clearance in your Porsche 356. This set is intended for builders looking to restore or enhance their classic Porsche engine with well-made internal components. It's important to note that these pistons are not CARB approved and cannot be shipped to California.

When rebuilding or modifying your Porsche 356 engine, using a matched set of pistons like this Mahle MS set ensures consistency across all cylinders. This helps with balanced engine performance and longevity. Always consult your engine builder's manual or a qualified mechanic for specific installation procedures and recommended clearances to ensure optimal results.