8PCS M48 Pistons & Rings Kit For S GTS 957 970 4. 8L V8 M48. 01/02/20/40 4806CC OE Numbers: 948 103 048 24 (1-4 Cyl. ) 948 103 047 24 (5-8 Cyl. ) Replacement OE Numbers: 948 103 048 25, 948 103 048 27, 948 103 048 28, 948 103 058 21, 948 103 058 22, 948 103 048 54, 948 103 048 55, 948 103 048 57, 948 103 048 58, 948 103 058 51, 948 103 058 52 948 103 047 25, 948 103 047 27, 948 103 047 28, 948 103 057 21, 948 103 057 22, 948 103 047 54, 948 103 047 55, 948 103 047 57, 948 103 047 58, 948 103 057 51, 948 103 057 52 Specifications: - Standard 0. 00 spec (no fit cylinder expand) - Cylinder bore: Φ96. 00mm - Wrist diameter: Φ23mm - Wrist length: 58mm - Ring thickness: 1st 1. 2mm, 2nd 1. 5mm, 3rd 2. 0mm - Material: Aluminum Compatibility: - Fits M48. 01, M48. 02, M48. 20, M48. 40 4. 8L V8 (4806cc) naturally aspirated engines - Fits MCX. PA, MCX. RA 4. 8L V8 (4806cc) naturally aspirated engines - Compatible with S/GTS (2007-2019) models 955, 957 - Compatible with S/4S/GTS (2009-2016) model 970 Package Includes: - Pistons & Rings x8 Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.