Description
GM 12P DURA GRIP case, bare, 4.10 & up, 30 Spline & 33 Spline. (Part number YC GM12P-DG-4) This bare Dura Grip case features high-strength nodular iron construction and precision machining. It's ready to accept spider gears, clutches, and springs.
Features and benefits
- Fits GM 12 bolt passenger car with 33 spline axles
- Fits GM 12 Bolt Passenger Car w/33 Spline Axles
- Does not include spider gears



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