Compatibility with multiple models including RS6 C7 RS7 S8 equipped with 4.0 TFSI engines for precise fitment and function
Designed as a standard size piston ring set with 9.3:1 compression ratio to restore engine efficiency and maintain combustion pressure
Includes 8 pieces per set covering all necessary cylinder positions complete engine rebuild capability for CTF CWU CRD DDT engine variants
Engineered to meet OEM specifications with part numbers 079107066EP 079107066ED 079107066EL 079107066EJ for accurate replacement and minimal installation issues
Suitable for -function applications requiring internal components that support consistent power output and reduced oil consumption
Description
8Pcs Pistons Rings Set STD 9.3:1 compression ratio designed for direct replacement on RS6 C7, RS7, and S8 4.0 TFSI models.Made from stainless steel, this set includes 8 pieces of piston rings engineered for and consistent function under -stress conditions.The 9.3:1 compression ratio supports efficient combustion and optimized engine output.Compatible with OE/OEM part numbers 079107066EP, 079107066ED, 079107066EL, and 079107066EJ.Suitable for engines with CTF, CWU, CRD, and DDT configurations.Designed for professional installation to proper fit and function. This product is an aftermarket solution.Brand names are mentioned only to clarify compatibility with specific models.