ARP Head Stud Kit - Nissan Skyline RB20DE, RB20DET, RB25DE, RB25DET ARP2000 - 202-4309 Wheel Studs -3AN 45 Degree Male Adapter

-3AN 45 Degree Male Adapter To 1/8" NPT Male - Black - 823-03-02-2

All four of our exhaust runners are designed in conjunction with the merge collector to equal out the lengths as well as the overall bend angles

Pair this E46 M3 radiator with the Mishimoto BMW E46 M3 Silicone Radiator Hose Kit for added durability over your stock rubber hoses

This significantly improves the ECU’s ability to control these injectors in the sub 2ms pulse width area

ARP Head Stud Kit - Nissan Skyline RB20DE, RB20DET, RB25DE, RB25DET ARP2000 - 202-4309 Wheel Studs -3AN 45 Degree Male AdapterIt 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, theres 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 vertically into special racks and precisely heat treated