Custom ARP Head Stud kit, for EZ30R-EZ36 (No machining required)

Introducing the new custom head stud for the EZ30R and EZ36 6 cylinder engines. Special design features unique block side seating of the stud (10.50mm thread), polished ARP 2000 material, Allen cap for easy installation, Outfront/ARP name stamped on the head.  Larger diameter than the stock head bolts, uses 7/16NF thread at head. Reduced shank. No machining required for block or heads to install.  A must for any turbo application.  Suggested torque: 90 ft/lbs on inner four, 80 ft/lbs on outer four with ARP lube.  Kit includes 16 studs, 16 12 point nuts, and 16 .158" thick heat treated washers.

EZ30R cases are designated by the Z30 casting found on the top of the case halves

Does not fit the EZ30D motor with 10mm block side thread. This block is designated by the J30 casting found on the top of the case halves