Cognito CV Front Driveline Kit For 4-6 Inch Lift-Duramax/ 4-12 Inch Lift-Gas On 01-16 Silverado/Sierra 2500/3500/ 7-12 Inch Lift On 99-06 Silverado/Sierra 1500.This direct bolt in driveline features a 1310 series double cardan CV and it is made in the USA. This kit includes the Cognito Allison Transmission Bracket.Note: Part number 110-90278 Shift linkage relocation bracket is required if truck is equipped with six speed Allison transmission.. Cognito CV Front Driveline Kit for 2001-2016 Silverado/Sierra 2500/3500: 4-6 inch lifts on Duramax, 4-12 inch on gas. Direct bolt-in with 1310 double cardan CV and Allison transmission bracket.. Cognito 99-16 Chevy/GMC Silverado/Sierra 2500/3500 HD CV Front Driveline Kit for 4-6in Lift. CV Front Driveline w/ Shift Cable Bracket Cognito Lifts 01-16 GM HD/99-06 1500. 1310 series u-joint double cardan CV1330 to 3R combo u-joint at differential. Lift Height: 4-6 Inch, 4-12 Inch, 7-9 Inch, 10-12 Inch. Kit includes the Cognito Allison Transmission Bracket. Complete direct bolt in CV driveline. Increases suspension travel. .5-hour DIY install time. Made in the USA. Drive Shaft. 210-91023

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