Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR MSRP: $489.00 Was: Now: $470.03 Add to Cart
Wehrli 06-10 Duramax LBZ/LMM 5in. Intake Horn - Bengal Red - WCF100412-BR MSRP: $400.00 Was: Now: $362.38 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - WCFab Red - WCF100411-RED MSRP: $1,164.00 Was: Now: $1,143.20 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Illusion Blueberry - WCF100411-IBB MSRP: $1,254.00 Was: Now: $1,136.07 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Gloss White - WCF100411-GW MSRP: $1,089.00 Was: Now: $1,074.98 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - WCFab Grey - WCF100411-GRY MSRP: $1,164.00 Was: Now: $1,143.20 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Candy Teal - WCF100411-CT MSRP: $1,254.00 Was: Now: $1,136.07 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Bronze Chrome - WCF100411-BC MSRP: $1,164.00 Was: Now: $1,143.20 Add to Cart
Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Purple - WCF100410-IP MSRP: $695.00 Was: Now: $682.12 Add to Cart
Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Candy Red - WCF100410-CR MSRP: $695.00 Was: Now: $682.12 Add to Cart
Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Bronze Chrome - WCF100410-BC MSRP: $695.00 Was: Now: $682.12 Add to Cart
Wehrli 11-22 Power Stroke 4in. / Dana M275 Axle Traction Bar Installation Kit - WCF100407 MSRP: $345.00 Was: Now: $331.62 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW MSRP: $489.00 Was: Now: $470.03 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT MSRP: $539.00 Was: Now: $518.09 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR MSRP: $539.00 Was: Now: $518.09 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC MSRP: $539.00 Was: Now: $518.09 Add to Cart
Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit - WCF100378 MSRP: $205.00 Was: Now: $197.05 Add to Cart
Wehrli 11-14 Chevy 2500/3500 HD Valance Filler Panel Kit w/ Tow Hooks - Fine Tex Black - WCF100368-FTB MSRP: $275.00 Was: Now: $249.14 Add to Cart
Wehrli 06-10 Duramax LBZ/LMM P/S 3.5in. Intercooler Pipe - Chevy Orange - WCF100367-CRO MSRP: $424.00 Was: Now: $384.13 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Gun Metal - WCF100360-GM MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Flat Black - WCF100360-FB MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Chevy Orange - WCF100360-CRO MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Cat Yellow - WCF100360-CAT MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Bengal Red - WCF100360-BR MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit - Bengal Red - WCF100420-BR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well... MSRP: $489.00 Was: Now: $470.03 Add to Cart
Wehrli 06-10 Duramax LBZ/LMM 5in. Intake Horn - Bengal Red - WCF100412-BR Not compatible with OEM or other aftermarket intake systems that have the boot connection (intake to horn) molded to the intake pipe/not removable. If your intake uses a Boot and two clamps for... MSRP: $400.00 Was: Now: $362.38 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - WCFab Red - WCF100411-RED Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - WCFab Red MSRP: $1,164.00 Was: Now: $1,143.20 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Illusion Blueberry - WCF100411-IBB The OEM components between the turbo and engine? Check out the WCFab Stage 1 High Flow Intake Bundle Kit for the 2001-2004 6.6L Duramax. This kit replaces the restrictive OEM LB7 Y-bridge, passenger... MSRP: $1,254.00 Was: Now: $1,136.07 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Gloss White - WCF100411-GW Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Gloss White MSRP: $1,089.00 Was: Now: $1,074.98 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - WCFab Grey - WCF100411-GRY Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - WCFab Grey MSRP: $1,164.00 Was: Now: $1,143.20 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Candy Teal - WCF100411-CT The OEM components between the turbo and engine? Check out the WCFab Stage 1 High Flow Intake Bundle Kit for the 2001-2004 6.6L Duramax. This kit replaces the restrictive OEM LB7 Y-bridge, passenger... MSRP: $1,254.00 Was: Now: $1,136.07 Add to Cart
Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Bronze Chrome - WCF100411-BC Wehrli 01-04 Duramax LB7 Stage 1 High Flow Intake Bundle Kit - Bronze Chrome MSRP: $1,164.00 Was: Now: $1,143.20 Add to Cart
Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Purple - WCF100410-IP Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Purple MSRP: $695.00 Was: Now: $682.12 Add to Cart
Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Candy Red - WCF100410-CR Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Candy Red MSRP: $695.00 Was: Now: $682.12 Add to Cart
Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Bronze Chrome - WCF100410-BC Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit - Bronze Chrome MSRP: $695.00 Was: Now: $682.12 Add to Cart
Wehrli 11-22 Power Stroke 4in. / Dana M275 Axle Traction Bar Installation Kit - WCF100407 Built in house at WCFab these traction bar brackets are designed specifically for use on the Dana M275 rear axle option commonly found on 2017 and newer F-350 (SRW) trucks which features a 4"... MSRP: $345.00 Was: Now: $331.62 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Gloss White - WCF100405-GW The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well... MSRP: $489.00 Was: Now: $470.03 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Teal - WCF100405-CT The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well... MSRP: $539.00 Was: Now: $518.09 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Candy Red - WCF100405-CR The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well... MSRP: $539.00 Was: Now: $518.09 Add to Cart
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit - Bronze Chrome - WCF100405-BC The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well... MSRP: $539.00 Was: Now: $518.09 Add to Cart
Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit - WCF100378 Wehrli Custom Fab Oil Line Kit, for S400 Twin/Compound Turbo LB7/LLY/LBZ/LMM Duramax MSRP: $205.00 Was: Now: $197.05 Add to Cart
Wehrli 11-14 Chevy 2500/3500 HD Valance Filler Panel Kit w/ Tow Hooks - Fine Tex Black - WCF100368-FTB Removing the OEM plastic lower bumper valance on the 2011-2014 Chevrolet Silverado 2500 / 3500 HD trucks is a proven method for improving ground clearance and fitting more aggressive wheel and tire... MSRP: $275.00 Was: Now: $249.14 Add to Cart
Wehrli 06-10 Duramax LBZ/LMM P/S 3.5in. Intercooler Pipe - Chevy Orange - WCF100367-CRO The 3.5" High Flow Passenger (Cold) Side Intercooler Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the failure prone factory plastic piece with a larger, high flow, 14 ga. aluminum fabricated 3.5"... MSRP: $424.00 Was: Now: $384.13 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Gun Metal - WCF100360-GM WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory... MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Flat Black - WCF100360-FB WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory... MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Chevy Orange - WCF100360-CRO WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory... MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Cat Yellow - WCF100360-CAT WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory... MSRP: $839.00 Was: Now: $806.45 Add to Cart
Wehrli 17-19 Duramax L5P 4in. Stage 2 Intake Kit - Bengal Red - WCF100360-BR WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory... MSRP: $839.00 Was: Now: $806.45 Add to Cart