Swap Block 10L90 Transmission Mock Up | GF-MUT-10L90 fuses 7 V8 1980 - 1981

7 V8 1980 - 1981 GMC G3500 1971 - 1991 GMC Jimmy 350/5

and the cleanest looking 6" lift available

4 V8 1961 - 1964 Chevrolet Corvair Truck 1963 - 1964 Ford P-350 292/4

This single exit system has a 4

1988-1992 Chevrolet C2500 350 CID

Swap Block 10L90 Transmission Mock Up | GF-MUT-10L90 fuses 7 V8 1980 - 1981Our patent pending tab and slot version of the 10L90 Swap Block Transmission Mock Up Block provides accurate transmission mounting and yoke positions. This unique design is lightweight and comes disassembled for ease of shipping and storage. One tool accomplishes accurate placement of a 10L90 transmission found in GM cars and trucks from 2017 until present. Easily positioned by hand, there is no need to bench press a heavy transmission into place for