Timbren SES Rear Suspension Enhancement System for 2011-2021 GM 2500/3500 HD solution kits 9L Cummins is a direct

9L Cummins is a direct replacement for your factory APPS sensor

7L Cummins with the Rudy's Weldless Coolant Y-Pipe

Uses standard H4

Premium FK spherical bearings

your stock Jeep Wrangler JK fog lights will only get you so far if you’re serious about after-dark action

Timbren SES Rear Suspension Enhancement System for 2011-2021 GM 2500/3500 HD solution kits 9L Cummins is a directThis SES Suspension Upgrade fits the rear suspension of a Chevrolet Silverado 2500 3500 & GMC Sierra 2500 3500 truck. Weve engineered our hollow rubber springs to deliver a progressive spring rate. In other words, the more weight that pushes down on the rubber springs the harder they work to prevent rear end sag. Whether youre pulling a trailer or carrying a heavy load in the bed of your truck, our hollow rubber springs adjust automatically to keep