GMT400 Platform

Vehicles on the GMT400 Platform

1988-1999 Chevy Silverado 2500 4×4
1988-1999 Chevy Silverado 3500 4×4
1988-1999 GMC Sierra 2500 4×4
1988-1999 GMC Sierra 3500 4×4

Kits for the GMT400 Platform

Product NumberProduct DescriptionInstructions
4050101988-1999 Chevy Silverado 2500 4×4 (2-3″ Front)405010
4050101988-1999 Chevy Silverado 3500 4×4 (2-3″ Front)405010
4050101988-1999 GMC Sierra 2500 4×4 (2-3″ Front)405010
4050101988-1999 GMC Sierra 3500 4×4 (2-3″ Front)405010
4050151988-1999 Chevy Silverado 2500 4×4 (2-3″ Front/1″ Rear)405015
4050151988-1999 Chevy Silverado 3500 4×4 (2-3″ Front/1″ Rear)405015
4050151988-1999 GMC Sierra 2500 4×4 (2-3″ Front/1″ Rear)405015
4050151988-1999 GMC Sierra 3500 4×4 (2-3″ Front/1″ Rear)405015