ARP Subaru EJ20 & EJ25 Head Stud Kit
ARP's head stud kit for the Subaru EJ20 and EJ25 DOHC engines replaces the factory's one-time torque-to-yield head bolts with reusable 11mm studs, built to hold consistent clamping force as boost increases.Features
ARP2000 alloy studs
11mm stud diameter
Centerless ground and thread-rolled to Mil-S-8879 specifications
Reusable -- unlike factory torque-to-yield head bolts
What's Included
Studs (x12)
Washers (x12)
Nuts (x12)
Assembly lubricant
Product Specifications
MPN: 260-4701
Engine application: Subaru EJ20 and EJ25 DOHC turbo engines
Frequently Asked QuestionsCan these studs be reused after the head is removed again?Yes, that's the main advantage over the factory torque-to-yield head bolts, which must be replaced every time they're removed.What comes in the box?A full set of 12 studs, 12 washers, and 12 nuts, along with assembly lubricant.