Head Stud Kit, 12-Point Nuts fits Nissan RB20DET, RB25DET, RB30ET With Twin Cam Head 11mm & CA18DET ARP2000 65822-01M00 and race fuels such as

and race fuels such as methanol and ethanol

Blade Material: NylonBlade Color: BlackShroud Color: BlackShroud Material: Nylon

D5mm Wall Thickness

OE Specific Mountin: Koyo incorporates application specific mounting locations for all fan shrouds

AEMnet CAN bus enabled for data logging (13 channels of data over 2-wire connection)

Head Stud Kit, 12-Point Nuts fits Nissan RB20DET, RB25DET, RB30ET With Twin Cam Head 11mm & CA18DET ARP2000 65822-01M00 and race fuels such asIt 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 vertically into special racks and precisely heat