Cognito CV Front Driveline Kit For 7-9 Inch 10-12 Inch Lifts On 17-19 Silverado/Sierra 2500HD/3500HD Duramax. 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. Notes: Part Number 110-90278 Shift linkage relocation bracket is required if truck is equipped with six speed Allison transmission. Compatible with trucks originally equipped with a 1350 u-joint at front differential only.