Outfront 12mm 625+ Pro Series Headstud Kit for EZ30R-EZ36 In Tank Fuel Pumps 5L/2458cc H 4 Turbocharged DOHC

5L/2458cc H 4 Turbocharged DOHC

This proprietary steel is forged in Trenton

2-8 Cylinder Wasted Spark

BE Width: 21

Outfront 12mm 625+ Pro Series Headstud Kit for EZ30R-EZ36 In Tank Fuel Pumps 5L/2458cc H 4 Turbocharged DOHCIntroducing the new custom head stud option for the EZ30R, EZ30D and EZ36 6 cylinder engines. Special design features unique block side seating of the stud (12mm thread) for better thread engagement, polished ARP 625+ 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. Machining to block Required for installation (No machining required