- Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 1800ºF
- Includes new gaskets for manifold to cylinder head and manifold to up pipe
-...
Description: - Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 1800ºF
- Includes new gaskets for manifold to cylinder head and manifold to up pipe
-...More Details »
Item #: WCF100363
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $1,329.00
2001-2016 Duramax Fleece Billet Coolant Block Off PlateNew670875715875
- Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Description: - Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Item #: FPE-DMAX-CBOP
Condition: New
Price: $55.00
2001-2016 Duramax LB7/LLY/LBZ/LMM/LML ARP Custom Age 625+ Head Stud KitNew672036035853
- ARP Custom Age 625+ Material
- 260,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Sold as a kit
- Made in USA
- For Competition Use
Description: - ARP Custom Age 625+ Material
- 260,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Sold as a kit
- Made in USA
- For Competition Use
Item #: 230-4202
Condition: New
Price: $1,935.00
2001-2016 Duramax LB7/LLY/LBZ/LMM/LML ARP-2000 Head Stud KitNew672036032678
- ARP 2000 Material
- 220,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Black Oxide Finish
- Sold as a kit
- Made in USA
Description: - ARP 2000 Material
- 220,000 PSI Tensile Strength
- Chrome-moly Steel, 12-Point Nuts
- Parallel-Ground Washers Included
- Black Oxide Finish
- Sold as a kit
- Made in USA
Item #: 230-4201
Condition: New
Price: $695.00
2001-2016 Duramax Up Pipe Bolt KitNew
ARP Up Pipe Bolt kit for 2001-2016 Duramax. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Description: ARP Up Pipe Bolt kit for 2001-2016 Duramax. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Item #: WCF100240
Condition: New
In Stock. Ships in 3-5 business days.
Price: $35.00
2001-2016 Duramax 2" Stainless Driver Side Up Pipe for OEM or WCFab Manifold with GasketsNew
- Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Up Pipe Gaskets (2)
- Made in USA
- Upgraded strength billet C2 Clutch Hub for High Horsepower / Torque Builds
- A must do upgrade for Allison 1000 5 and 6 speed transmissions in trucks making 750+ HP
- 29% more spline wall thick...
Description: - Upgraded strength billet C2 Clutch Hub for High Horsepower / Torque Builds
- A must do upgrade for Allison 1000 5 and 6 speed transmissions in trucks making 750+ HP
- 29% more spline wall...More Details »
Description: - TIG Welded Fabricated Aluminum Cover for Plastic Reservoir
- Utilizes OEM Mounting Points and Hardware
- Installs in minutes with basic hand tools
- Custom Powder Coat Finish
Item #: WCF100205
Condition: New
WCFab Red, Bengal Blue, Bengal Red, Gloss Black, Candy Teal, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $135.00
2001-2019 Duramax Cognito Stock/Level Front Sway Bar End Link Kit (GM)New691965602646
Front Sway Bar End Link Kit for stock or leveled 2001-2019 Chevrolet and GMC 2500HD / 3500HD 2WD/4WD trucks. Mounting surface to mounting surface measurement for this Kit is 7".
-Stock height or l...
Description: Front Sway Bar End Link Kit for stock or leveled 2001-2019 Chevrolet and GMC 2500HD / 3500HD 2WD/4WD trucks. Mounting surface to mounting surface measurement for this Kit is 7".
-Stock height or...More Details »
Item #: 110-90252
Condition: New
Ships in 3-5 Business Days.
Price: $109.95
2001-2019 Duramax Fox 2.0 Performance Series IFP Rear Shock for 0" to 1" of Rear LiftNew
- Rear Shock (Single)
- For Stock Height Trucks with 0" to 1" of Rear Lift
Description: - Rear Shock (Single)
- For Lifted Trucks with 7" to 10" of Rear Lift
Item #: 980-24-957
Condition: New
Price: $309.95
2001-2020 Duramax Cognito Alloy Series HD Upper Ball Joint (GM)New720843688820
Upper Ball Joint for Cognito Upper Control Arms on 2001-2020 GM 2500HD / 3500HD 2WD/4WD trucks with OE aluminum and stamped steel control arms.
- Cognito HD Series Upper Ball Joint (GM)
- Hardene...
Description: Upper Ball Joint for Cognito Upper Control Arms on 2001-2020 GM 2500HD / 3500HD 2WD/4WD trucks with OE aluminum and stamped steel control arms.
- Cognito HD Series Upper Ball Joint (GM)
-...More Details »
Item #: 199-90804
Condition: New
Ships in 3-5 Business Days.
Price: $69.95
2001-2024 GM Billet Aluminum Oil Fill Cap, Black AnodizedNew
-CNC Machined Billet Aluminum GM factory oil cap filler neck replacement
-Matches WCFab Billet Aluminum Coolant Tank and Brake Reservoir Caps
-Includes o-ring seal
-Machined cam lock
-Black Ano...
Allison Transmission bracket for 2005-2019 GM 2500HD / 3500HD 4WD trucks (equipped with 6 speed Allison only). Note: Required with Cognito CV front drivelines.
NOTE: For use with Cognito CV Drivel...
Description: Allison Transmission bracket for 2005-2019 GM 2500HD / 3500HD 4WD trucks (equipped with 6 speed Allison only). Note: Required with Cognito CV front drivelines.
NOTE: For use with Cognito CV...More Details »
Description: - FOG LIGHTS: 2x Type C Morimoto XB LED (Square)
- Color: 5500K (Pure White)
- Input: Sealed 5202 Male
- WIRING: Plug-n-Play Connection Kit
- OPTICS: Kuria Fog-Projection Lens
- Compliance:...More Details »
Item #: LF90
Condition: New
Price: $238.50
2007.5-2024 GM Fleece All Lights On ModuleNew670875716810
- Installs in minutes
- Allows low beams and fog lamps to stay on when your high beams are active for better nighttime visibility in rural areas
- Low beams and Fogs operate normally when High Be...
Description: - Installs in minutes
- Allows low beams and fog lamps to stay on when your high beams are active for better nighttime visibility in rural areas
- Low beams and Fogs operate normally when High Beams are not on
Get more done with one haul and enjoy the road while doing it by adding a Kelderman 4-Link Rear Air Suspension!
- Replaces stiff factory leaf springs
- Soaks up harsh bumps and jarring bounces
...
Description: Get more done with one haul and enjoy the road while doing it by adding a Kelderman 4-Link Rear Air Suspension!
- Replaces stiff factory leaf springs
- Soaks up harsh bumps and jarring bounces...More Details »
Item #: KELDERMAN 11-15 GM +2 RR AIR SUS
Condition: New
Please Call for Availability
This product is only Available for Purchase and Installation Through Our Performance Shop.
Get more done with one haul and enjoy the road while doing it by adding a Kelderman 4-Link Rear Air Suspension!
- Replaces stiff factory leaf springs
- Soaks up harsh bumps and jarring bounces
...
Description: Get more done with one haul and enjoy the road while doing it by adding a Kelderman 4-Link Rear Air Suspension!
- Replaces stiff factory leaf springs
- Soaks up harsh bumps and jarring bounces...More Details »
Item #: KELDERMAN 11-15 GM RR AIR SUS
Condition: New
Please Call for Availability
This product is only Available for Purchase and Installation Through Our Performance Shop.
No leaf springs, no problem. Let Kelderman's 6-8" 4-Link Rear Air Suspension Lift Kit take the bouncing out of your ride and the squatting suspension out of towing.
- Replaces stiff factory leaf...
Item #: KELDERMAN 11-15 GM 6-8 RR AIR SUSKelderman
Description: No leaf springs, no problem. Let Kelderman's 6-8" 4-Link Rear Air Suspension Lift Kit take the bouncing out of your ride and the squatting suspension out of towing.
- Replaces stiff factory leaf...More Details »
Item #: KELDERMAN 11-15 GM 6-8 RR AIR SUS
Condition: New
Please Call for Availability
This product is only Available for Purchase and Installation Through Our Performance Shop.
2011-2016 LML Duramax 2" Stainless Passenger Side Up Pipe Kit for OEM or WCFab Manifolds w/ GasketsNew
- Heavy Duty 2" Passenger Side Up Pipe
- Fully TIG Welded 11 GA Stainless Steel Construction
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
- Compatible with OEM & WCFab Turbo Down Pipes...
Description: - Heavy Duty 2" Passenger Side Up Pipe
- Fully TIG Welded 11 GA Stainless Steel Construction
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
- Compatible with OEM & WCFab Turbo Down Pipes...More Details »
Item #: WCF100211
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $419.00
2011-2016 LML Duramax 2" Stainless Up Pipe Kit for OEM or WCFab Manifolds w/ GasketsNew
- Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
- Compati...
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe
- Ductile Iron Cast EGR Connection w/ EGT Sensor Port
-...More Details »
Item #: WCF100197
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $695.00
2011-2016 LML Duramax 3.5" Passenger (Cold) Side Intercooler Pipe KitNew
- 23% Gain in Air Flow Over Stock
- 3.5 in. Cold Side Intercooler Pipe
- 14g aluminum construction
- Incorporated threaded bung to reinstall OEM Intake Temperature Sensor
- Silicone Boots
- T-...
Description: - 23% Gain in Air Flow Over Stock
- 3.5 in. Cold Side Intercooler Pipe
- 14g aluminum construction
- Incorporated threaded bung to reinstall OEM Intake Temperature Sensor
- Silicone Boots
-...More Details »
Item #: WCF100682
Condition: New
WCFab Red, WCFab Grey, Bengal Blue, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $319.00
2011-2016 LML Duramax 4" Intake Kit with Air BoxNew
- 37% Improvement in Air Flow Over Stock
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
-...
Description: - 37% Improvement in Air Flow Over Stock
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
-...More Details »
Item #: WCF100194
Condition: New
WCFab Red, WCFab Grey, Candy Teal, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product Cannot Ship to the State of California
Price: $519.00
2011-2016 LML Duramax 4" Intake Kit with Air Box Stage 2New
- 37% Improvement in Air Flow Over Stock Intake
- 5.6% Improvement in Air Flow Over Stock Intake Horn
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Oute...
Description: - 37% Improvement in Air Flow Over Stock Intake
- 5.6% Improvement in Air Flow Over Stock Intake Horn
- 4" Intake Pipe
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
-...More Details »
Item #: WCF100304
Condition: New
WCFab Red, WCFab Grey, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product Cannot Ship to the State of California
Price: $809.00
2011-2016 LML Duramax Aluminum MAF Sensor BungNew
- MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Description: - MAP Bung for Custom Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-36
Condition: New
In Stock. Ships in 3-5 business days.
Price: $29.00
2011-2016 LML Duramax CP3 Conversion KitNew
- Black Anodized, CNC Machined Billet CP3 Pump Mounting Plate
- Precision Formed, Pre-Bent CP3 Feed lines for use With or Without OEM Fuel Filter Housing
- CNC Machined Stainless Steel High Flow ...
Description: - 3 in. Hot Side Intercooler Pipe
- 14g Mandrel Bent Aluminum Construction
- Silicone Boot
- T-Bolt Clamps
- Powder Coating
- No tuning required
Item #: WCF100353
Condition: New
WCFab Red, WCFab Grey, Candy Red, Bengal Blue, Gloss White and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $289.00
2011-2016 LML Duramax EFI Live Custom Performance ECM TuningNew
- EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Single Tune Options Available:
- Heavy Tow (8K lbs to GVWR)- +40 RWHP, +72 ft-lbs
- Light To...
Item #: DT1150010001010Calibrated Power / Duramax Tuner
Description: - EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Single Tune Options Available:
- Heavy Tow (8K lbs to GVWR)- +40 RWHP, +72 ft-lbs
- Light...More Details »
Item #: DT1150010001010
Condition: New
Save 10% on SOTF Tuning until 4/30!
This Product cannot ship to the state of California
Price: $300.00
2011-2016 LML Duramax EZ Lynk Switch On The Fly ECM AND TCM TuningNew
- EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Switch-On-The-Fly (SOTF) - 5 Power Levels At Your Finger Tips When You Need Them
- INCLUDES T...
Item #: DT1150020001060Calibrated Power / Duramax Tuner
Description: - EMISSIONS INTACT Custom Performance Tuning
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Switch-On-The-Fly (SOTF) - 5 Power Levels At Your Finger Tips When You Need Them
- INCLUDES...More Details »
Item #: DT1150020001060
Condition: New
Save 10% on SOTF Tuning until 4/30!
This Product cannot ship to the state of California
- Incorporates Fuel Heating Element on LML Duramax Trucks for Better Cold Start Performance
- Reduces Chance of Fuel Gelling in Cold Weather
- Replaces Factory Fuel Filter Base and Eliminates Fac...
Description: - Incorporates Fuel Heating Element on LML Duramax Trucks for Better Cold Start Performance
- Reduces Chance of Fuel Gelling in Cold Weather
- Replaces Factory Fuel Filter Base and Eliminates...More Details »
Item #: FPE-DMAX-HFFBA-1116
Condition: New
This Product cannot ship to the state of California
Price: $399.00
2011-2016 LML Duramax HD Engine MountsNew
- Left & Right Mount
- High Grade Hardware for Mount to Engine
- Thread-locker compound
- Poly Bushings
- Powder Coating
Description: - Left & Right Mount
- High Grade Hardware for Mount to Engine
- Thread-locker compound
- Poly Bushings
- Powder Coating
Item #: WCF100160
Condition: New
Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $429.00
2011-2016 LML Duramax High Flow Turbo Intake HornNew
- 4.8 in. Inlet, Largest Intake Horn on the Market
- CNC Machined Cast Aluminum Construction
- Includes PCV Port
- Eliminates Resonator Connection
- Silicone Reducer Boot
- Stainless Steel T-...
Description: - 4.8 in. Inlet, Largest Intake Horn on the Market
- CNC Machined Cast Aluminum Construction
- Includes PCV Port
- Eliminates Resonator Connection
- Silicone Reducer Boot
- Stainless Steel...More Details »
Item #: WCF100417
Condition: New
WCFab Red, WCFab Grey, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product Cannot Ship to the State of California
Price: $399.00
2011-2016 LML Duramax New S&S 100% Injectors (qty. 8)New
-8 New Injectors
-Modified 100% flow over OEM
-Injector Coppers and O-rings
Description: -8 New Injectors
-Injector Coppers and O-rings
Item #: LML-10SAC
Condition: New
This Product cannot ship to the state of California
Price: $2,610.40
2011-2016 LML Duramax Passenger Side Upper Crossover Intercooler Pipe KitNew
- 18% Gain in Air Flow Over Stock
- 3 in. High Flow Upper Intercooler Cross Over Pipe
- 14g aluminum construction
- Compatible with OEM Y-Bridge
- Includes Billet Turbo Resonator Plate for OEM ...
Description: - 18% Gain in Air Flow Over Stock
- 3 in. High Flow Upper Intercooler Cross Over Pipe
- 14g aluminum construction
- Compatible with OEM Y-Bridge
- Includes Billet Turbo Resonator Plate for OEM...More Details »
Item #: WCF100328
Condition: New
WCFab Red with Standard Brushed Tag, WCFab Grey with Standard Brushed Tag and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
This Product cannot ship to the state of California
Price: $419.00
2011-2016 LML Duramax S&S 50 State CP3 Conversion Kit with PumpNew
- No calibration needed
- CARB-compliant EO #D-756
- Improved durability over stock CP4.2
Description: - No calibration needed
- CARB-compliant EO #D-756
- Improved durability over stock CP4.2
Item #: LML-CP3-CARB
Condition: New
50 State Compliant - CARB EO #D-756
Price: $2,600.00
2011-2016 LML Duramax Stage 1 High Flow Intake Bundle KitNew
- 3 in. High Flow Upper Intercooler Cross Over Pipe (18% Gain in Air Flow Over Stock)
- 3.5 in. Passenger (Cold) Side Intercooler Pipe (23% Gain in Air Flow Over Stock)
- 3 in. Driver (Hot) Side ...
Description: - 3 in. High Flow Upper Intercooler Cross Over Pipe (18% Gain in Air Flow Over Stock)
- 3.5 in. Passenger (Cold) Side Intercooler Pipe (23% Gain in Air Flow Over Stock)
- 3 in. Driver (Hot) Side...More Details »
Item #: WCF100409
Condition: New
WCFab Red, WCFab Grey, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product Cannot Ship to the State of California
Price: $999.00
2011-2016 LML Duramax Steel MAF Sensor BungNew
- MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
