American Powertrain Now Offers Turnkey ProFit 5- and 6-Speed Transmission Conversion Kits for GM 1977 – '90 B-Bodies
Perfect Fit, Optimal Driving Performance, Improved Fuel Economy
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2 press releases · americanpowertrain.com
American Powertrain Introduces Pro Fit TKX 5-Speed and Magnum 6-Speed 2WD Conversion Kits for 1999-06 Chevy/GMC NBS GMT800 Trucks
Now in stock. Designed to keep the stock appearance with precision fit.