USA Standard axle shaft for '70-'81 4WD GM truck. 12 bolt differential, 31 7/16, 6 lug, 30 spline.

• Fits 1970-1981 GM 12 bolt truck with 4 wheel drive
• 6 lug
• 31 7/16 long
• 30 spline

Features and Benefits:

• Fits 1970-1981 GM 12 bolt truck with 4 wheel drive
• 6 lug
• 31 7/16 inch long
• 30 spline

• AAP UDA 4:50
• Axle Nut Included:No
• Shaft Length:31.43 inch
• Shaft Material:Steel

1970-1974 Chevrolet K10 Pickup (Rear) (Note: GM 12 Bolt Truck

• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1970-1974 Chevrolet Blazer (Rear) (Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1975-1981 Chevrolet K5 Blazer (Rear) (Drive: 4WD / Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1975-1981 Chevrolet K10 (Rear) (Drive: 4WD / Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1970-1981 Chevrolet K10 Suburban (Rear) (Drive: 4WD / Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1970-1974 GMC K15/K1500 Pickup (Rear) (Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1970-1974 GMC K15/K1500 Suburban (Rear) (Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1979-1981 GMC K1500 (Rear) (Drive: 4WD / Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1979-1981 GMC K1500 Suburban (Rear) (Drive: 4WD / Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1975-1978 GMC K15 (Rear) (Drive: 4WD / Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)
• 1975-1978 GMC K15 Suburban (Rear) (Drive: 4WD / Note: GM 12 Bolt Truck
• 30 Spline
• 31-7/16 inch. Length
• 6 Lug)