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Helps extend transmission life and reduce internal wear
subdued tone for daily commutes and an aggressive
Constructed from high-quality Fiber Reinforced Plastic
8hp boost over the factory rear silencer
Perfect for owners looking for an OEM+ appearance with a premium
ARP Main Stud Kit, BMW S54 Porsche 991 Helps extend transmission life andStrengthen the bottom end of your BMW S54 engine with the ARP Main Stud Kit, BMW S54, delivering far greater clamping force and sealing than the factory fasteners. Engineered by ARP (Automotive Racing Products), this main stud kit is built to the standards demanded by high performance and motorsport BMW builds. Key Features Designed for BMW S54 engine Significantly increased clamping force over OEM fasteners Improved main cap stability and bottom end
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