RACEORLY Pistons Rings STD For CayenneS 4.5 V8 955 9PA 4800 94810303133 Piston rings designed for use with the CayenneS 4.5 V8 engine model 955 9PA 4800.This set includes standard size piston rings with part number 94810303133. Compatibility Advisory: This product is not affiliated with the manufacturer.Brand mentions are for fitment reference only.