12-Point Nut, Chrome Moly Black Oxide AR300-8391 Pinion Yokes Straight Female to Male with

Straight Female to Male with 1/8" Port -4ANBlue Finish

so the spring won't rub hardware

while the Ford bolt kit has flat washers only

suits oil cooler part number AF72-6003

AR400-0303

12-Point Nut, Chrome Moly Black Oxide AR300-8391 Pinion Yokes Straight Female to Male with12 Point Nut, Chrome Moly Black Oxide3 8" UNF Thread, 1 2" Socket (10 Pack) AR300 8391 300 8391 Available in a variety of sizes to suit your needs, all ARP 12 point nuts are constructed from 8740 chrome moly steel or ARP Stainless, and meet ARP's highest standards of quality. Rated at 180,000 psi tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with