ARP 201-5001 Main Stud Kit for BMW 1.5L-2.0L (M10) & 2.3L (S14) 4-cylinder ymm_74 Fits Following Engines: BMW 4

Fits Following Engines: BMW 4

Testing on the Akrapovic dynamometer against a Porsche 911 Turbo (992) equipped with the factory Porsche sports exhaust system recorded gains of +16

Evolution Link Pipe Set (SS) was tested and developed together with the Slip-On Line (Titanium) system

For a further upgrade of the Slip-On Line (Titanium) exhaust system

Does not require oil

ARP 201-5001 Main Stud Kit for BMW 1.5L-2.0L (M10) & 2.3L (S14) 4-cylinder ymm_74 Fits Following Engines: BMW 4There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs