BDD Shift Kit Chevy Allison 1000 5-speed 2001-2005 1604720 DNR Can support modifications up to

Can support modifications up to 415HP

1/2 inch Fuel Return Port

Biggest injector recommended for stock CP3 pump or stock turbo

+88 lb-ft torque and saves you an average of 8 percent in fuel when you're toting something heavy behind you

25 percent better than stock

BDD Shift Kit Chevy Allison 1000 5-speed 2001-2005 1604720 DNR Can support modifications up toFEATURES NOTICE: This kit requires removal of the transmission for installation of the internal parts Installation recommendation: Experienced technician Includes our exclusive smart Trim Clutch Control valve assemblies for increased durability Addresses Going to neutral under load; 3 4 slip; burned C2 or C3 clutches; sticks in one gear; won't move after extended parking; loss of pump prime; SHORT CRISP SMOOTH upshifts and kickdowns Handles 500 Street