Transmission Mount - Solid - 3/16 in - Steel - Black Oxide - GM 1958-88 - Each Brand Allstar Performance Mount has three 7/16-14 mounting holes, one centered and two spaced 1-1/2 apart on center.Transmission mounting slots are 1-1/4x 9/16 on 3-9/16 centers. ROUGHLY 1-7/8 THICK FROM TOP OF MOUNT TO BOTTOM ALL38070 Truck Freight- NO State Restriction-
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