Ring gear to differential case, (10), 7/16”-20 x 15/16”. 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.
Ford Thunderbird Years:
1957 (57)
Above years shown are used for searches and are not application listings.
Ford Truck F1, F2, F3, F100, F150, F250, F350 Years:
1957 (57), 1958 (58), 1959 (59), 1960 (60), 1961 (61), 1962 (62), 1963 (63), 1964 (64), 1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73), 1974 (74), 1975 (75), 1976 (76), 1977 (77), 1978 (78), 1979 (79), 1980 (80), 1981 (81), 1982 (82), 1983 (83)
Above years shown are used for searches and are not application listings.
Ford Bronco Years:
1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73), 1974 (74), 1975 (75), 1976 (76), 1977 (77), 1978 (78), 1979 (79), 1980 (80), 1981 (81), 1982 (82), 1983 (83)
Above years shown are used for searches and are not application listings.
Ford Mustang Fox Body and SN-95 Years:
1979 (79), 1980 (80), 1981 (81), 1982 (82)
Above years shown are used for searches and are not application listings.
NPD Part Number : 4216-2AK Manufacturer Reference #'s: 350627-S,
1965-1973 MUSTANG FLYWHEEL
1965-1973 MUSTANG FORD 9 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, 10 REQD, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1979-1979 MUSTANG 5.0L, W/ 6A366 REINFORCING PLATE, 6 REQD, B8AZ-A
1979-1982 MUSTANG 3.3L, W/ 6A366 REINFORCING PLATE, 6 REQD, B8AZ-A
1967-1973 COUGAR FLYWHEEL
1967-1973 COUGAR FORD 9 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, 10 REQD, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1960-1964 FALCON 144, 170, M/T, 6 REQD
1962-1964 FALCON 260, 289, M/T
1963-1964 FALCON 144, 170, 200, 2SFM, 6 REQD
1965-1968 FALCON 260, 289
1965-1968 FALCON 260, 289
1965-1970 FALCON (BEFORE 1/1/70), 170, 200, M/T, 6 REQD
1966-1968 FALCON 289
1968-1970 FALCON (BEFORE 1/1/70), 302, W/ 6A366 PLATE
1969-1970 FALCON (BEFORE 1/1/70), 170, 200, A/T, 6 REQD
1964-1964 FAIRLANE 260, 289, M/T
1970-1971 TORINO 351C, M/T
1970-1971 TORINO 429, M/T
1955-1957 TBIRD FM
1957-1979 F100-F350 FORD 9 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1980-1983 F100-F350 FORD 9 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, 10 REQD, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1966-1968 BRONCO 289, M/T OR A/T FLYWHEEL
1966-1983 BRONCO FORD 9 INCH REAR AXLE, RING GEAR TO DIFFERENTIAL, 10 REQD, EXCL EQUA-LOC OR TRACTION LOC DIFFS
1968-1973 BRONCO 302, A/T FLYWHEEL W/ PLATE
1968-1973 BRONCO 302, M/T FLYWHEEL
1970-1970 FALCON (FROM 1/1/70), 250, M/T, 6 REQD
1970-1970 FALCON (FROM 1/1/70), 302, W/6A366 PLATE
1970-1970 FALCON (FROM 1/1/70), 250, A/T, 6 REQD
1970-1970 FALCON (FROM 1/1/70), 351W, M/T
1970-1970 FALCON (FROM 1/1/70), 351C, M/T
1970-1970 FALCON (FROM 1/1/70), 429, M/T
1968-1971 TORINO 200, 250, M/T, 6 REQD
1969-1970 TORINO 250, C4, 6 REQD
1968-1968 TORINO 289
1968-1971 TORINO 302, W/6A366 PLATE
1969-1970 TORINO 351W, M/T
1968-1969 TORINO 390, A/T
1968-1969 TORINO 390, M/T
1968-1968 TORINO 427, 428, M/T
1964-1970 FAIRLANE 170, 200, 250, M/T, 6 REQD
1969-1970 FAIRLANE 250, C4, 6 REQD
1965-1968 FAIRLANE 260, 289
1968-1970 FAIRLANE 302, W/6A366 PLATE
1969-1970 FAIRLANE 351W, M/T
1966-1969 FAIRLANE 390, A/T
1966-1969 FAIRLANE 390, M/T
1966-1968 FAIRLANE 427, 428, M/T
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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