Transmission Mount, Pinion Angle Shims for Most GM Rwd Applications GF-GMTM-SP control-arms-and-parts 3/8 inch-16 x 1 inch

3/8 inch-16 x 1 inch

75/8 V 1955 GMC PM150 3

Max dyno gains of +7 HP & +6 LB

Placement on Vehicle: Upper Radiator

Transmission Mount, Pinion Angle Shims for Most GM Rwd Applications GF-GMTM-SP control-arms-and-parts 3/8 inch-16 x 1 inch1963 2001 GM RWD Transmission mount shims are useful for tuning drive train and drive shaft angles. These shims are designed to work with the late model GM style single centered stud mounts, or the early model GM style dual stud mount with 1 1 2" between hole centers. The base dimensions of 1 1 4" x 2 3 4" provide a solid contact between the transmission mount and the transmission crossmember.? Attempts to use a standard flat washer as a shim will