ARP Main Stud Kit - Toyota Corolla 4AGE 16V/20V DOHC - 203-5403 BMW M4 ZM1-HDR6 kit features ACT's most

ZM1-HDR6 kit features ACT's most popular Heavy Duty pressure plate

and a sweeping LED "needle" that lines the edge and moves as boost from 0 to up to 50 PSI

red and neon green durable texture powder coated finishes

At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems

ARP Main Stud Kit - Toyota Corolla 4AGE 16V/20V DOHC - 203-5403 BMW M4 ZM1-HDR6 kit features ACT's mostThere 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