ARP Head Stud Kit - Toyota 22R 2.4L - 203-4201 Battery Tie Down & Trays perfect for your street or

perfect for your street or track BRZ/FR-S

optimal heat transfer

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

The M-Series material has been race proven by InlinePRO and is able to handle 1000whp applications

TC4-HDR4 kit features ACT's most popular Heavy Duty pressure plate

ARP Head Stud Kit - Toyota 22R 2.4L - 203-4201 Battery Tie Down & Trays perfect for your street orIt 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