Complete Oil Line Kit for L5P Duramax Engine with S400 Turbo mounted on 6" tall pedestal. For use with WCFab T4 Pedestal (WCF100325). Cannot guarantee fitment with other style pedestals. For LB7/LL...
The factory LBZ/LMM Y-bridge is a poorly designed slip-in style two piece bridge with very little support that is prone to blowing apart under boost and creating poor drivability and performance. T...
This Premium Duramax/Cummins Rear Differential Cover Bolt Kit is an optional upgrade for Wehrli Custom Fab Diff Covers comprised of 12 specially selected high strength Stainless Steel 12-point ARP ...
Cummins High Mount 2nd Gen Swap Oil Feed and Drain Line Kit, with extended oil drain fitting assembly. Teflon lined stainless steel braided #6 feed and #10 drain lines.
The factory LBZ/LMM Y-bridge is a poorly designed slip-in style two piece bridge with very little support that is prone to blowing apart under boost and creating poor drivability and performance. T...
Built in house at WCFab our traction bar brackets weld on to the bottom of the axle tube and weld to the frame on the front end. Grade 8 hardware connects the bars to the mounts on the frame and axle.
LLY/LBZ/LMM/LML Duramax 3" Down pipe for S400 turbo with 4.6" Diameter flat exhaust outlet flange (Half marmon). This down pipe mates to the exhaust system v-band flange with OEM clamp for easy ins...
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such a...
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such a...
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such a...
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such a...
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such a...
This Thermostat Housing for 2017-2025 6.6L Duramax is a direct replacement upgrade for the unsightly OEM part. Comes powder coated in your choice of color to complement other WCFab upgrades such a...
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