Ring gear to differential case, (10), 7/16”-20 x 15/16” with washers. ARP Pro series bolt built to 200,000 psi strength. 12 point socket head. 1/2” shank.
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today’s sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP Pro Series ring gear bolts are forged from premium grade 8740 chrome moly steel and are heat-treated to a nominal rating of 200,000 psi tensile strength. Specially hardened, precision-ground washers are included where required.
TECH NOTE - It is critically important to properly tighten ring gear bolts and make sure they don’t loosen. This is especially important in drag cars with tire shake. It’s also a good idea to check bolt tightness on a routine basis. If you use a locking compound (like Loc-Tite), it is best to install the ring gear first without any compound, then remove the bolts one at a time, reinstalling them with the compound. Be sure and torque each bolt before going on to the next one, because the locking compound sets up fast. Install and torque the bolts in an alternating or crossing pattern to distribute the load evenly around the ring gear.
Ford Mustang Years:
1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73)
Above years shown are used for searches and are not application listings.
Mercury Cougar Years:
1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73)
Above years shown are used for searches and are not application listings.
Ford Falcon and Ranchero Years:
1960 (60), 1961 (61), 1962 (62), 1963 (63), 1964 (64), 1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70)
Above years shown are used for searches and are not application listings.
Ford Fairlane and Ranchero Years:
1964 (64), 1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70)
Above years shown are used for searches and are not application listings.
Ford Torino and Ranchero Years:
1968 (68), 1969 (69), 1970 (70), 1971 (71)
Above years shown are used for searches and are not application listings.
NPD Part Number : 4216-3AK Manufacturer Reference #'s: 350627-S,
1965-1973 MUSTANG FORD 8 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1967-1973 COUGAR FORD 8 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1960-1970 FALCON (BEFORE 1/1/70), FORD 8 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1970-1970 FALCON (FROM 1/1/70), FORD 8 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1968-1971 TORINO FORD 8 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1964-1970 FAIRLANE FORD 8 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, EXCL EQUA-LOC OR TRACTION LOC DIFFS
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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