Here, you are looking at the ARP Head Stud Kit for the 02-14 WRX and 04+ STI!. These head studs are ideal for those of you who are running much more boost and power over factory levels and need a strong head stud kit to keep your heads from lifting. This is a great option for those building their racecar, rally car, overlander, or daily driver’s engine!
DETAILS:
- Made using premium grade alloy materials that deliver superior fatigue cycle life
- 11mm profile
- Each stud is placed vertically in special racks
- Heat treated to 220,000 psi
- Thread-rolled to provide 1000% better fatigue strength
- Resistance to atmospheric corrosion and oxidation
- Includes (12) head studs
- Includes (12) 12-point nuts
- Includes (12) washers