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Tag: Pro-Fit

C10 Builders Guide

American Powertrain Announces New Pro-Fit 5 & 6-Speed System for 1978 – 1987 GM G Body Vehicles

American Powertrain Announces New Pro-Fit 5 & 6-Speed System for 1978 – 1987 GM G Body Vehicles System includes TREMEC® transmission with choice of gear ratios… Continue reading

Chris Hamilton . August 28, 2019

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