Axle Shaft For 64-67 Chevelle & 67-69 Camaro USA Standard GearUSA Standard axle shaft for 64 67 Chevelle & 67 69 Camaro. GM 12 bolt passenger car, 30 spline, 29 3 4 long. 30 spline 29 3 4 long Fits 1964 1967 Chevelle and 1967 1969 Camaro with 12 bolt differential Features and Benefits: 30 spline 29 3 4 inch long Fits 1964 1967 Chevelle and 1967 1969 Camaro with 12 bolt differential Details: AAP UDA 4: 50 Axle Nut Included: No Shaft Length: 29. 56 inch Application Summary: 1964 1967 Chevrolet Chevelle (Rear)