WEHRLI CUSTOM FABRICATION
Wehrli Custom Fabrication Inc. specializes in high-performance diesel upgrades and custom metal fabrication. With a focus on quality, fitment, performance, and customer service, WCFab offers a wide range of MADE IN THE USA turbo kits and custom performance parts for Duramax, Powerstroke, and Cummins Diesel trucks. Whether you use your truck for work, play, or competition, Wehrli Custom Fabrication has the products you need to enhance your diesel truck's performance.
Some of the top products in this category include the WEHRLI WCF100023 01-04 CHEVROLET 6.6L LB7 DURAMAX FUEL PRESSURE RELIEF VALVE DELETE KIT, WEHRLI WCF100024 01-16 CHEVROLET 6.6L DURAMAX VALLEY CP3 BLOCK OFF PLATE, and WEHRLI WCF100096 11-16 CHEVROLET 6.6L LML DURAMAX TURBO RESONATOR BILLET BLOCK OFF PLATE. Additionally, products like the WEHRLI WCF100229 01-05 & 11-16 CHEVROLET 6.6L DURAMAX HIGH FLOW RAIL FITTING and the WEHRLI WCF100271 01-16 CHEVROLET 6.6L DURAMAX TWIN CP3 PULLEY DEEP OFFSET provide options for those looking to further customize their diesel trucks.
When you choose Wehrli Custom Fabrication, you can trust that you are getting top-of-the-line products designed to enhance the performance of your diesel truck. Upgrade your Duramax, Powerstroke, or Cummins Diesel truck with the best parts in the industry from Wehrli Custom Fabrication.
Some of the top products in this category include the WEHRLI WCF100023 01-04 CHEVROLET 6.6L LB7 DURAMAX FUEL PRESSURE RELIEF VALVE DELETE KIT, WEHRLI WCF100024 01-16 CHEVROLET 6.6L DURAMAX VALLEY CP3 BLOCK OFF PLATE, and WEHRLI WCF100096 11-16 CHEVROLET 6.6L LML DURAMAX TURBO RESONATOR BILLET BLOCK OFF PLATE. Additionally, products like the WEHRLI WCF100229 01-05 & 11-16 CHEVROLET 6.6L DURAMAX HIGH FLOW RAIL FITTING and the WEHRLI WCF100271 01-16 CHEVROLET 6.6L DURAMAX TWIN CP3 PULLEY DEEP OFFSET provide options for those looking to further customize their diesel trucks.
When you choose Wehrli Custom Fabrication, you can trust that you are getting top-of-the-line products designed to enhance the performance of your diesel truck. Upgrade your Duramax, Powerstroke, or Cummins Diesel truck with the best parts in the industry from Wehrli Custom Fabrication.
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WEHRLI WCF100854 DODGE, FORD, UNIVERSAL 60" TRACTION BAR KIT (RCLB, ECSB, CCSB)
WEHRLI CUSTOM FABRICATION
$737.95***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** For 1999-2010 Ford and 1994-2024 Dodge HD Leaf Spring Rear Suspension Trucks Built in house at WCFab carrying a LIFETIME WARRANTY...$737.95 -
WEHRLI WCF100826 2020-2024 DURAMAX 60" TRACTION BAR KIT (RCLB/CCSB/DCSB)
WEHRLI CUSTOM FABRICATION
$935.83***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This kit is for 2020-2025 GM HD Trucks*** If you have a Double Cab Long Bed or Crew Cab Long Bed truck use part number WCF100876. If...$935.83 -
WEHRLI WCF100850 2001-2010 DURAMAX 60" TRACTION BAR KIT (RCLB/CCSB/ECSB)
WEHRLI CUSTOM FABRICATION
$935.83***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This kit is for 2001-2010 GM HD Trucks*** If you have Extended Cab Long Bed or Crew Cab Long Bed truck use part number WCF100852 If...$935.83 -
WEHRLI WCF100853 2011-2019 DURAMAX 68" TRACTION BAR KIT (ECLB, CCLB)
WEHRLI CUSTOM FABRICATION
$935.83***This kit includes 68" long bars for Extended Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2011-2019 GM HD Trucks*** If you have a regular cab long bed, extended cab short bed, or crew cab short bed truck, use part number WCF100851...$935.83 -
WEHRLI WCF100852 2001-2010 DURAMAX 68" TRACTION BAR KIT (ECLB, CCLB)
WEHRLI CUSTOM FABRICATION
$935.83***This kit includes 68" long bars for Extended Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2001-2010 GM HD Trucks*** If you have regular cab long bed, extended cab short bed, or crew cab short bed truck use part number WCF100850...$935.83 -
WEHRLI WCF100260 2011-2016 LML DURAMAX CP3 CONVERSION KIT
WEHRLI CUSTOM FABRICATION
$751.75WCFab CP3 Conversion Kit for 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD trucks equipped with the LML 6.6L Duramax Turbo Diesel engine. The Factory CP4.2 Pump Found on 2011-2016 LML Duramax is known to be a problematic component...$751.75 -
WEHRLI WCF100855 DODGE, FORD, UNIVERSAL 68" TRACTION BAR KIT (ECLB, CCLB)
WEHRLI CUSTOM FABRICATION
$737.95***This kit includes 68" long bars for Extended Cab Long Bed and Crew Cab Long Bed Models*** For 1999-2010 Ford and 1994-2024 Dodge/Ram HD Leaf Spring Rear Suspension Trucks. Built in house at WCFab carrying a LIFETIME WARRANTY against bending or...$737.95 -
WEHRLI WCF100876 2020-2024 DURAMAX 68" TRACTION BAR KIT (DCLB/CCLB)
WEHRLI CUSTOM FABRICATION
$935.83***This kit includes 68" long bars for Double Cab Long Bed and Crew Cab Long Bed Models*** ***This kit is for 2020-2025 GM HD Trucks*** If you have a Regular Cab Long Bed, Double Cab Short Bed, or Crew Cab Short Bed truck use part number...$935.83 -
WEHRLI WCF100851 2011-2019 DURAMAX 60" TRACTION BAR KIT (RCLB/CCSB/ECSB)
WEHRLI CUSTOM FABRICATION
$935.83***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed, and Crew Cab Short Bed Models*** ***This kit is for 2011-2019 GM HD Trucks*** If you have a Regular Cab Long Bed truck, please measure forward 60 inches from the...$935.83 -
WEHRLI WCF100303 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$736.23The WEHRLI WCF100303 2007.5-2010 LMM DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2 from WCFab is a top-of-the-line, high-performance upgrade for your 2007.5-2010 GM LMM 6.6L Duramax diesel engine. This stage 2 intake kit is engineered to optimize your...$736.23 -
WEHRLI WCF100164 2007.5-2010 LMM DURAMAX HIGH FLOW 3" Y-BRIDGE KIT
WEHRLI CUSTOM FABRICATION
$941.65This LMM 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2007.5-2010 LMM 6.6L Duramax which replaces the OEM upper intake manifold supplying air to the engine intake runners. The OEM Y-bridge for these trucks is a poorly designed, slip-fit...$941.65 -
WEHRLI WCF100399 2011-2022 FORD POWER STROKE SCLB & CCLB 68IN TRACTION BAR KIT
WEHRLI CUSTOM FABRICATION
$994.03High Flow Intake Bundle Package for 2003-2007 5.9L Cummins. Saves $29.00 vs buying components individually! This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn Kit Replaces the...$994.03 -
WEHRLI WCF100684 2020-2024 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$796.15High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2024 L5P 6.6L Duramax equipped Chevrolet Silverado / GMC Sierra 2500 / 3500 HD trucks for improved engine...$796.15 -
WEHRLI WCF100301 2004.5-2005 LLY DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$761.23WCFab 2004.5-2005 GM LLY 6.6L Duramax Stage 2 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 parts on your diesel for improved engine...$761.23 -
WEHRLI WCF100163 2006-2007 LBZ DURAMAX HIGH FLOW 3" Y-BRIDGE KIT
WEHRLI CUSTOM FABRICATION
$941.65This LBZ 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2006-2007 6.6L Duramax diesel engine which replaces the OEM upper intake manifold supplying air to the engine intake runners. The OEM Y-bridge for these trucks is a poorly designed,...$941.65 -
WEHRLI WCF100302 2006-2007 LBZ DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$761.23WCFab 2006-2007 GM LBZ 6.6L Duramax Stage 2 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 parts on your diesel for improved engine...$761.23 -
WEHRLI WCF100411 2001-2004 LB7 DURAMAX STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,081.33Already have an air intake and turbo down pipe that you're happy with, but looking to improve your LB7's performance and efficiency by addressing weak points in the OEM components between the turbo and engine? Check out the WCFab Stage 1 High Flow...$1,081.33 -
WEHRLI WCF100839 UNIVERSAL TRACTION BAR 68IN LONG
WEHRLI CUSTOM FABRICATION
$683.63Traction bars are a necessary upgrade when increasing the horsepower on your truck to prevent the axle from twisting which can lead to broken u-joints, driveshafts, and even twisted axle housings. These Universal Fabricator Series 68" Traction Bars...$683.63 -
WEHRLI WCF100388 2011-2022 6.7L FORD POWER STROKE 60" TRACTION BAR KIT (CCSB/SCSB)
WEHRLI CUSTOM FABRICATION
$994.03***This kit includes 60" long bars for Crew Cab Short Bed Models*** ***This kit is for 2017-2024 Ford F-250 and F-350 Super Duty Trucks with 4 inch Axle Tube Diameter; Sterling 10.5” and Dana M275”*** Built in house at WCFab carrying a...$994.03 -
WEHRLI WCF100329 2003-2007 5.9L CUMMINS STAGE 1 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$732.13High Flow Intake Bundle Package for 2003-2007 5.9L Cummins. Saves $29.00 vs buying components individually! This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn Kit Replaces the...$732.13 -
WEHRLI WCF100325 L5P DURAMAX T4 TURBO PEDESTAL
WEHRLI CUSTOM FABRICATION
$804.13Heavy Duty Fabricated Turbo Pedestal allows you to mount a T4 flange style Turbo for custom build racing applications- 2" OD Stainless Steel 11 gauge tubing- Compatible with OEM or WCFAB 2" High Flow Turbo Up Pipes- Black High Temp Ceramic Coated...$804.13 -
WEHRLI WCF100360 2017-2019 L5P DURAMAX 4" INTAKE KIT WITH AIR BOX STAGE 2
WEHRLI CUSTOM FABRICATION
$775.78WCFab Stage 2 Intake Kit with Air Box for 2017-2019 GM L5P 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD trucks. This high-flow fabricated aluminum intake pipe, intake horn, and air box enclosure with dry filter assembly...$775.78 -
WEHRLI WCF100680 2003-2007 5.9L CUMMINS STAGE 2 HIGH FLOW INTAKE BUNDLE KIT
WEHRLI CUSTOM FABRICATION
$1,110.43High Flow Intake Bundle Package for 2003-2007 5.9L Cummins. Saves $50.00 vs buying all components individually! This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn...$1,110.43 -
WEHRLI WCF100837 UNIVERSAL TRACTION BAR 60IN LONG
WEHRLI CUSTOM FABRICATION
$707.13Traction bars are a necessary upgrade when increasing the horsepower on your truck to prevent the axle from twisting which can lead to broken u-joints, driveshafts, and even twisted axle housings. These Universal Fabricator Series 60" Traction Bars...$707.13 -
WEHRLI WCF100693 2001-2004 LB7 DURAMAX Y-BRIDGE KIT
WEHRLI CUSTOM FABRICATION
$823.53The only High Flow 3” Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aftermarket drop in IHI style chargers! Replace the restrictive OEM Y-bridge and cold side intercooler pipe with this high flow...$823.53 -
WEHRLI WCF100247 06-10 CHEVROLET 6.6L LBZ/LMM DURAMAX TWIN CP3 KIT W/RAW PULLEY
WEHRLI CUSTOM FABRICATION
$1,256.15The WEHRLI WCF100247 06-10 CHEVROLET 6.6L LBZ/LMM DURAMAX TWIN CP3 KIT W/RAW PULLEY is a game-changing solution for enhancing your 2006-2010 LBZ/LMM Duramax engine's performance. This comprehensive kit empowers you to mount an additional high-pressure...$1,256.15 -
WEHRLI WCF100246 04.5-05 CHEVROLET 6.6L LLY DURAMAX TWIN CP3 KIT W/RAW PULLEY
WEHRLI CUSTOM FABRICATION
$1,256.15The WEHRLI WCF100246 04.5-05 CHEVROLET 6.6L LLY DURAMAX TWIN CP3 KIT W/RAW PULLEY is a high-performance upgrade for your 2004.5-2005 LLY Duramax engine, designed to boost power and efficiency. By incorporating a second high-pressure CP3 pump (available...$1,256.15 -
WEHRLI WCF100245 01-04 CHEVROLET 6.6L LB7 DURAMAX TWIN CP3 KIT W/RAW PULLEY
WEHRLI CUSTOM FABRICATION
$1,256.15Enhance the performance of your 2001-2004 LB7 Chevrolet 6.6L Duramax engine with the WEHRLI WCF100245 Twin CP3 Pump Kit. Designed to cater to the needs of diesel enthusiasts and high-powered builds, this kit provides the option to mount a secondary...$1,256.15 -
WEHRLI WCF100233 06-10 CHEVROLET 6.6L LBZ/LMM DURAMAX TWIN CP3 KIT W/BLACK ANODIZED PULLEY
WEHRLI CUSTOM FABRICATION
$1,256.15The WEHRLI WCF100233 Twin CP3 Pump Kit for 06-10 Chevrolet 6.6L LBZ/LMM Duramax engines is a powerhouse addition to your vehicle's fuel system. Designed to accommodate a second high-pressure CP3 pump (sold separately), this kit is crafted to enhance the...$1,256.15 -
WEHRLI WCF100232 04.5-05 CHEVROLET 6.6L LLY DURAMAX TWIN CP3 KIT W/BLACK ANODIZED PULLEY
WEHRLI CUSTOM FABRICATION
$1,256.15The WEHRLI WCF100232 04.5-05 CHEVROLET 6.6L LLY DURAMAX TWIN CP3 KIT W/BLACK ANODIZED PULLEY is a precision-engineered solution designed to enhance the performance of your 2004.5-2005 LLY Duramax engine. With this twin CP3 pump kit, you can easily...$1,256.15 -
WEHRLI WCF100231 01-04 CHEVROLET 6.6L LB7 DURAMAX TWIN CP3 KIT W/BLACK ANODIZED PULLEY
WEHRLI CUSTOM FABRICATION
$1,256.15The WEHRLI WCF100231 01-04 CHEVROLET 6.6L LB7 DURAMAX TWIN CP3 KIT W/BLACK ANODIZED PULLEY is the ultimate solution for those looking to maximize the potential of their 2001-2004 LB7 model trucks. This Twin CP3 Pump Kit allows you to add a second...$1,256.15