USA Standard 39021 Gear spider gear kit for GM 12 bolt car and truck.

USA Standard Gear spider gear kit for GM 12 bolt car and truck

Spider gear kit
Fits GM 12 bolt passenger car and truck open differential with 30 spline axles
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

Fits: GM 12 BOLT (8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set)

Year

Make

Model

Differential

Notes

1964 - 1970

Buick

Wildcat

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1964 - 1972

Chevrolet

Bel Air

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1964 - 1972

Chevrolet

Biscayne

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987

Chevrolet

Blazer

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1969 - 1974

Chevrolet

Blazer

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1986

Chevrolet

C10

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1963 - 1974

Chevrolet

C10 Pickup

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1972

Chevrolet

Camaro

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1966 - 1970

Chevrolet

Caprice

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1964 - 1972

Chevrolet

Chevelle

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1964 - 1968

Chevrolet

Chevy II

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1965 - 1972

Chevrolet

El Camino

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1981

Chevrolet

G10

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1974

Chevrolet

G10 Van

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1964 - 1972

Chevrolet

Impala

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1986

Chevrolet

K10

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1963 - 1974

Chevrolet

K10 Pickup

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1986

Chevrolet

K10 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1986

Chevrolet

K5 Blazer

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1970 - 1972

Chevrolet

Monte Carlo

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1969 - 1972

Chevrolet

Nova

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987

Chevrolet

R10

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1963 - 1966

Chevrolet

Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987

Chevrolet

V10

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987 - 1988

Chevrolet

V10 Suburban

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1978

GMC

C15

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1978

GMC

C15 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1974

GMC

C15/C1500 Pickup

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1974

GMC

C15/C1500 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1979 - 1986

GMC

C1500

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1979 - 1986

GMC

C1500 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1978

GMC

G15

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1974

GMC

G15/G1500 Van

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1964 - 1966, 1979 - 1987

GMC

G1500

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1978

GMC

G25

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1974

GMC

G25/G2500 Van

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1979 - 1981

GMC

G2500

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1978

GMC

K15

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1975 - 1978

GMC

K15 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1966 - 1974

GMC

K15/K1500 Pickup

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1967 - 1974

GMC

K15/K1500 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1979 - 1986

GMC

K1500

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1979 - 1985

GMC

K1500 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987

GMC

R1500

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987

GMC

R1500 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1963 - 1966

GMC

Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987

GMC

V1500

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1987

GMC

V1500 Suburban

GM 12 Bolt Truck

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1969 - 1972

Pontiac

Firebird

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set

1970 - 1972

Pontiac

GTO

GM 12 Bolt Passenger Car

8.875 in.; 12 Bolt Cover; 30 Spline Axle; Spider Gear Set