ARP Head Stud Kit - Toyota Supra MK4, IS300 2JZGE, 2JZGTE CA625+ - 203-4301 1440cc Clutch Disc: 6240227

Clutch Disc: 6240227

Overboost protection and programmable alarms

6% increase in coolant surface area and 10

9 mm²/sHTHS viscosity at 150°C (302°F) ASTM D4741 3

Exchanged the internal brass piston from V1 for a lighter weight hard aluminum piston

ARP Head Stud Kit - Toyota Supra MK4, IS300 2JZGE, 2JZGTE CA625+ - 203-4301 1440cc Clutch Disc: 6240227It 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