Gm 12 Bolt Diagram

9 16 head 3 8 24 r h.

Gm 12 bolt diagram. Gm 12 bolt differential 14 steps to a shapely rear. The result is chevy 12 bolt car rear end ring and pinion gears that deliver performance standards set by dana one of the world s most trusted supplier of driveline parts. The 12 bolt was introduced to performance buyers in 1964. Chevrolet 12 bolt passenger car ring and pinion sets we offer complete coverage of ratios for your 12 bolt rears.

While it was originally designed for use in factory built performance rated cars it was installed in both cars and trucks until 1972. Gm 12 bolt passenger car. Oldsmobile dropout rear 57 62. Aam 250mm gm 250mm rear drive module camaro.

Aam 1050 series gm 10 5 rear. Svl gears for the gm 12p chevy 12 bolt passenger car rear end are dependable enough to be backed by a six month or 50 000 mile warranty. Gm 195mm rear drive module camaro. When it comes to gm muscle cars and sports cars the 12 bolt axle has been the top high performance axle assembly for decades.

Rob kinnan writer jeff smith photographer. The result is chevy gm 12 bolt truck rear end ring and pinion gears that deliver performance standards set by dana one of the world s most trusted supplier of driveline parts. Gm 12 25 ho72 rear ball pinion bearing for non load bolt design. 8 875 ring gear diameter 30 spline pinion 1 1 8 pinion nut ring gear bolt.

After 1972 general motors was only installing its 10 bolt rearend in cars but the 12 bolt remained an option for trucks until 1987. Aam 976 series gm 9 76 rear axle salisbury 12 bolt. The first letter of the part number indicates manufacturer. The gm 8 875 often rounded to 8 9 12 bolt axle is available in passenger car gm 12p and truck gm 12t rear axle configurations and features an 8 875 ring gear and 30 spline semi floating axle shafts.

Svl gears for the gm 12t chevy 12 bolt truck rear end are dependable enough to be backed by a six month or 50 000 mile warranty. The last three numbers are the gear ratios. Aam 950 series gm 9 5 rear axle 14 bolt gm 9 5 rear axle salisbury 12 bolt. This reduces the load on the pinion resulting in less parasitic loss from the friction and load.

Gm cast iron corvette. Aam 925 series gm 9 25 front axle ifs 4wd and awd gm 9 25 front axle ifs salisbury. Gm 12 bolt truck. Gm 12 25 ho72 rear tapered pinion bearing for load bolt design.

Compared to the ford 9 inch the 12 bolt positions the pinion gear higher on the ring gear. Gm 55 64 1 2 ton truck.