Drivetrain

In 2019 GM upsized the front driveline front u-joint to 1330 series in the 2500HD/3500HD trucks. This size carried on through 2023. In 2024 GM has upsized the joint again to what seems to be an industrial sized u-joint which is not typically used in...

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...

Cognito CV Front Driveline Kit For 4-6 Inch Lift-Duramax/ 4-12 Inch Lift-Gas On 17-19 Silverado/Sierra 2500/3500. 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...

Cognito CV Front Driveline Kit For 7-9 Inch 10-12 Inch Lifts On 01-16 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...

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...

Cognito CV Front Driveline Kit For 4-Inch 7-Inch 10-Inch Lifts On 2020-2022 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 Part...

Used with short wheel base trucks with tall lift where no tapered blocks were available.Includes 2 shims and 2 center pins to bolt shims to leaf packs. Use for single cab trucks or extended cab short bed, with 4-6 Inch rear lift that has no pinion angle...

Used with short wheel base trucks with tall lift where no tapered blocks were available.Includes 2 shims and 2 center pins to bolt shims to leaf packs. Use for single cab trucks or extended cab short bed, with 4-6 Inch rear lift that has no pinion angle...

Cognito 01-24 Chevy Silv/Sierra 2500/3500 HD / Ford F250/350 SD 4WD Carrier Bearing Spacer 3-4 Inch

Cognito 01-24 Chevy Silv/Sierra 2500/3500 HD / Ford F250/350 SD 4WD Carrier Bearing Spacer 2-3 Inch

This bracket provides additional clearance around the CV head on Cognito drivelines by relocating the shift linkage. Made in the USA.Notes:Required with Cognito CV front drivelines on trucks equipped with 6 speed Allison transmissions.This Part...

This bracket adds the upper driver side mount back to the front differential.The bracket is formed and fabricated with a semi-gloss powder coat finish. Includes polyurethane bushings and all mounting hardware needed.This Part...