MAHLE 930-103-963-00 Piston Ring Set 95mm Standard Bore Porsche 911

The MAHLE 930-103-963-00 is a precision-engineered piston ring set designed for Porsche 911 engines with standard 95mm bore specifications. This high-quality ring set is essential for engine rebuilds and restoration projects, providing reliable sealing between the piston and cylinder wall.

Key Specifications:

• Standard bore diameter: 95mm
• Ring thicknesses: 1.5mm x 1.75mm x 4mm (top compression, second compression, and oil control rings)
• Manufactured by MAHLE, a leading OEM and aftermarket engine component supplier
• Compatible with MAHLE and KS pistons
• Sold individually - six sets required per engine

Applications:

• 1978-1979 Porsche 911 Carrera 3.0L (930.02)
• Porsche 911 SC 3.0L engines

Piston rings are critical wear components that seal combustion gases, transfer heat from the piston to the cylinder wall, and control oil consumption. MAHLE piston rings feature precision manufacturing tolerances and advanced materials to ensure optimal sealing performance, reduced friction, and extended engine life. When rebuilding an engine, always inspect and replace piston rings to restore proper compression and prevent oil consumption issues.

Cross-Reference Part Numbers: 08-320000-10, 0832000010, 08.320000.10, 930.103.963.00, 93010396300, 50371N0 (Goetze equivalent)