ARP Head Stud Kit - Toyota 22R 2.4L - 203-4201 Battery Tie Down & Trays Does not fit with aftermarket

Does not fit with aftermarket blow off valves

These folds are necessary for the factory rubber design for flexibility during installation and structural integrity

coupled with its extremely fast and precise response

MAC Valve has completely custom made the valve for us(only MAC valve on the market to be custom made for automotive tuning use)

perfect for your street or track BRZ/FR-S

ARP Head Stud Kit - Toyota 22R 2.4L - 203-4201 Battery Tie Down & Trays Does not fit with aftermarketIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat treated