Single Head / Main Stud DragRacingTurbo Upgrading OEM or worn clamps

Upgrading OEM or worn clamps for improved reliability

• Meets both ANDRA and CAMS requirements

NOTE: if not using all ports ensure to block them with fittings (sold separately)

the 535LPH maintains an exceptional level of fuel flow even at higher pressures

heavy duty black silicone coating

Single Head / Main Stud DragRacingTurbo Upgrading OEM or worn clamps1 2" Thread X 4. 400" OAL Part Number : ARAR4. 400 1LB It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, there's not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to "aircraft" quality alloy steels. Secondly, each stud is placed