8pcs Pistons Rings Set Φ93mm For Turbo S 955 9PA M48.50 M4850 4.5L V8 948 103 031 34 996 103 033 51 Car Parts Cylinder Bore: Φ93.00mm Wrist Diameter: Φ23mm Wrist Length: 60mm Ring Thickness: 1st 1.2mm, 2nd 1.5mm, 3rd 2.0mm Fitment: Turbo S 955 9PA M48.50 M4850 4.5L V8 Twin Turbo Compatibility: OE# 948 103 031 34, 996 103 033 51, 948 103 341 00 This 8pcs Pistons Rings Set is designed for the M48.50 4.5L V8 engine and fits S models with chassis codes 955 and 9PA from 2003 to 2007.The set serves as a direct replacement for OE numbers 948 103 031 34, 996 103 033 51, and 948 103 341 00.-engineered rings help maintain proper compression and reduce oil consumption.The wrist pin diameter and length are built to match specifications, and consistent performance.Designed for accurate fitment, this set supports efficient engine function under demanding conditions. This product is a third-party alternative.Brand/model references are included only to assist with compatibility identification.