Porsche Piston and Cylinder Mahle 990174915

The Mahle Porsche Piston and Cylinder, part number 990174915 (Mahle 503 55 92), is an original equipment (OE) supplier component engineered for precise fitment in select classic Porsche 911 models. Designed for the 1984–1989 Porsche 911 Carrera (coupe, convertible, and targa; 3.2L H6 engine) and the 1989 911 Speedster (3.2L H6 convertible), this piston and cylinder assembly features Euro 3.2 Liter specification, 95.0 mm bore, 10.3:1 compression, and Nikasil coating.

Key Features:

• Genuine Mahle OE supplier part for assured quality and fit
• 95.0 mm bore, 10.3:1 compression ratio, Nikasil
• Designed for 3.2L H6 Euro Porsche 911 Carrera and Speedster (1984–1989)
• Verified Mahle part number: 503 55 92

Ensure authentic performance and longevity for your classic Porsche engine with this expertly engineered Mahle piston and cylinder assembly. Quantity per vehicle: 6.