TRANSMISSION

2004.5-2005 6.6L GM DURAMAX (LLY) Modified, tuned and tested BD's Allison 1000 valve body prevents clutch slippage!  New trim valves are installed to match the mainline pressure giving more clamping...

2001-2016 GM 6.6L DURAMAX BDs Duramax Black FleXplate is designed to reliably handle up to 1,500 lb-ft of torque. Featuring twice the material of the Stock flex plate, these units are billet...