ARP Custom Age Head Stud Kit for Toyota Tacoma 2RZ-FE & 3RZ-FE engines.
ARP Custom Age 625+ studs are centerless ground, heat treated prior to thread rolling and machining. Rated at 270,000 psi these fasteners deliver a 50% increase in tensile strength over the OEM Torque to Yield(TTY) head bolts.
The cool thing with these studs is that unlike the 1/2″ L-19 head stud kit, they do not require your block to be drilled and tapped!!! Install, torque and run!!!
Your purchase Includes a set of 10 Custom Aged 625+ head studs, 10 parallel ground washers, 10 8740 chromoly steel 12 pt nuts and 1/2 oz pack of ARP Ultra-Torque fastener assembly lubricant.