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GM 12 Bolt Truck - GM 12 Bolt Truck GM 12 Bolt Truck
GM 12 Bolt Truck

•  Ring Gear Diameter:  8.875
•  Cover Bolts:  12
•  Ring Gear Bolts:  12
•  Spline Count:  30
•  Dropout:  False
•  Pinion Support:  False
•  Carrier Breaks:  2.73 / 2.76 / 3.42 / 3.73
•  Rear Suspension:  Solid
•  Pinion Nut Size:  1-1/8

Compatible with Models:

Blazer:  1969 - 1981  (Rear)
C10 1/2 Ton (2WD):  1963 - 1987  (Rear)
C15/ C1500 1/2 Ton (2WD):  1963 - 1987  (Rear)
G10 1/2 Ton:  1967 - 1981  (Rear)
G15/ G1500 1/2 Ton:  1963 - 1987  (Rear)
G25/ G2500 3/4 Ton:  1961 - 1981  (Rear)
K10/ K1500 1/2 Ton (4WD):  1963 - 1987  (Rear)
K15/ K1500 1/2 Ton (4WD):  1963 - 1987  (Rear)
K5 Blazer (4WD):  1969 - 1987  (Rear)
Suburban 1/2 Ton:  1963 - 1987  (Rear)
Suburban 1/2 Ton:  1963 - 1987  (Rear)
Suburban 1/2 Ton:  1963 - 1987  (Rear)