- Home »
- Catalog »
- Shop Products »
- DIY & Replacement »
- Fabricator / Builder »
- Engine
Wehrli Custom Fabrication - WCFab - Engine
Browse Engine Products
Items 1-60 of 82
- Page 1 of 2
- Next
Description: -1 1/2" T4 Spacer Plate, Ceramic Coated
-M10 Studs, Nuts, & Washers
-(2) T4 Gaskets
Item #: WCF100358
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $152.00
Description: -1" T4 Spacer Plate, Ceramic Coated
-M10 Studs & Nuts
-(2) T4 Gaskets
Item #: WCF100800
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $130.00
Description: -1/2" T4 Spacer Plate, Ceramic Coated
-M10 Studs, Nuts, & Washers
-(2) T4 Gaskets
Item #: WCF100118
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $86.00
Raw ships in 3-5 business days. Powder coat color options ship in 10-15 business days.
Price: $99.99
Description: - Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting
- Billet direct-fit replacement with 5/8" barb connection
- More resistant to heat and vibration
- Double O-ring...More Details »
Item #: WCF100155
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $41.00
Description: - MAP Sensor Bung / Weld Fitting for Custom Fabricated Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-35
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $29.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-26
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $34.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-31
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $39.00
Description: - IAT Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-24
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $32.00
Description: - IAT Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-29
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $36.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-23
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $39.00
Description: - Kit includes two CNC machined billet aluminum fittings with o-ring seals.
- 5/8" Hose Barb
- Black anodized finish
- Made in USA
- No tuning required!
Item #: WCF100189
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $46.00
Description: - MAP Sensor Bung / Weld Fitting for Custom Fabricated Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-116
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $29.00
Description: - 3.5 in. Intercooler Outlet Elbow
- HD Silicone 3.5 in. x 3 in. Reducer Boot
- Stainless Steel T-Bolt Clamps
- O-Rings
- New Wire Clip Ring for Intercooler Flange Connection
- 14g Aluminum...More Details »
Item #: WCF100466
Condition:
New
WCFab Red, WCFab Grey, Flat Black, 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: $229.00
Description: - MAP Sensor Bung / Weld Fitting for Custom Fabricated Intercooler Piping
- CNC Machined Billet Steel
- Made in USA
Item #: WCF205-37
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $34.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-28
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $34.00
Description: -Coolant Fitting
-No tuning required!
Item #: WCF100798
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $42.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-33
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $34.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-27
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $39.00
Description: - MAP Sensor Bung / Weld Fitting for Custom Fabricated 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
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-32
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $42.00
Description: - Compatible with OEM Intake Air Temperature Sensor (IAT) used on passenger (cold) side intercooler pipe on 2011-2016 LML and 2017-2025 L5P Duramax engines
- M10x1.25 thread pitch
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-18
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $15.00
Description: - Billet Aluminum Beadroll Adapter Flange connects to outlet (passenger) side of the OEM or aftermarket intercooler with stock clip ring style connections
- Adapts OE slip/clip ring assembly on...More Details »
Item #: WCF205-190
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $59.00
Description: - 4" Twin Turbo Down Pipe for 2017-2019 L5P Duramax
- For custom build racing applications to fabricate your own twin turbo kit
- Use in conjunction with WCFab Twin Turbo Pedestal (WCF100729) for...More Details »
Item #: WCF100286
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $595.00
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $299.00
Description: - MAP Sensor Weld Fitting / Bung for Custom Fabricated Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-34
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $29.00
Description: - 3/8" Diameter Billet Aluminum Barbed Hose Plug
- Raw Finish
- Made in USA
Item #: WCF205-96
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $7.25
Description: - Massive, custom fabricated aluminum intake plenum
- High flow precision CNC machined individual intake runners
- Designed for extreme performance drag racing and pulling engines
Item #: WCF100253
Condition:
New
Built to Order. Please contact us for current lead times.
Price: $3,195.00
Description: - Massive, custom fabricated aluminum intake plenum
- High flow 2.25" individual intake runner tubes
- Designed for extreme performance drag racing and pulling engines
- 4” V-Band Inlet on...More Details »
Item #: WCF100228-RAW
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $1,995.00
Description: - Massive, custom fabricated aluminum intake plenum
- High flow precision CNC machined tapered individual intake runners
- Designed for extreme performance drag racing and pulling engines
Item #: WCF100241
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $2,495.00
Description: - IAT Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-17
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $25.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-25
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $39.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-30
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Description: - Correct Replacement Dry Air Filter for WCFab 4" Intake kits and S300 Turbo Single Install Kits
- Dry Air Filter 4" Inlet
- Airflow comparable to cotton filters
- Exceptional filtration keeps...More Details »
Item #: WCF100717
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $72.00
Description: - Correct Replacement Dry Air Filter for WCFab 5" Air Intakes, Twin Turbo and S400 Single Turbo Install Kits
- Dry Air Filter 5" Inlet
- Airflow comparable to cotton filters
- Exceptional...More Details »
Item #: WCF100719
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $72.00
Description: - #10 JIC / -10AN Male Fitting for Coolant Port Behind Water pump
- Press Fit Connection with High Temp O-Ring Seal and Mounting Bolt Tab
- CNC Machined Billet Aluminum
- Black Anodized Finish
- Made in USA
Item #: WCF205-136
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $46.00
Description: - #10 JIC / -10AN Male Oil Drain Line Connection
- Press Fit Engine Block Connection with Double O-Ring Seal
- Incorporates Wrench Flats for Ease of Installation
- CNC Machined Billet Aluminum
- Black Anodized Finish
- Made in USA
Item #: WCF205-199
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $23.00
Description: - #12 JIC / -12AN Male Fitting for Coolant Port Behind Water Pump
- Press Fit High Temperature O-Ring Seal with Mounting Bolt Tab
- CNC Machined Billet Aluminum
- Black Anodized Finish
- Made in USA
Item #: WCF205-140
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $46.00
Description: - For use with S300 or S400 Style Turbos Mounted in the High Mount 2nd Gen Configuration
- #6 / -6AN Stainless Steel Braided Line for Turbocharger Oil Feed
- #10 / -10AN Stainless Steel Braided...More Details »
Item #: WCF100279
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $255.00
Description: Allison Driver Side Transmission Dip Stick Tube for 2001-10 Duramax
Item #: WCF100828
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $114.00
Description: - Billet Aluminum Black Anodized Coolant Plug for Duramax Engine Cover, for 1.1" bore
- Includes high temperature silicone O-ring seal
Item #: WCF100025
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $24.00
Description: -Left and Right side Billet Runner Intakes
-Stainless Hardware
-Stainless Braided pressure crossover line
Item #: WCF100348
Condition:
New
Please call for availability.
This Product cannot ship to the state of California
Price: $2,695.00
NEW!
Description: - 90 degree cast aluminum discharge adapter (3" OD)
- S400 v-band compressor outlet clamp
- O-ring for 90° discharge adapter
Item #: FPE-S4TCDA-KIT
Condition:
New
Raw ships in 3-5 business days. Powder coat color options ship in 10-15 business days.
This Product Cannot Ship to the State of California
Price: $60.00
Description: - WCFab GM Billet Heater Core Fitting Hardware Kit
- Retainer Clip and Two O-Rings
Item #: WCF207-27
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $8.00
Description: - Preformed universal 1/2" heater hose assembly
- Billet aluminum quick-connect fitting replaces the leak prone OEM fitting
Item #: WCF100699
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $76.00
Description: - Ported High Flow Fuel Rail Fitting for use on LB7, LLY, or LML Duramax
- Drastically improves fuel flow over OEM fittings for more consistent rail pressure in high performance applications
-...More Details »
Item #: WCF100229
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $39.00
Description: - Long Ported High Flow Fuel Rail Fitting for use on driver side rear rail port on LB7, LLY, or LML Duramax
- For installing a HP line into PRV port (such as a dual CP3 application)
- Also...More Details »
Item #: WCF100230
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $61.00
Description: - Left & Right Side L5P Swap Mounts
- Laser Cut, CNC Bent, Welded Steel Construction
- High Grade Hardware Included
- Poly Bushings
- Semi-Gloss Black Powder Coat Finish
- Positions L5P...More Details »
Item #: WCF100170
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $595.00
Description: - 3.5" High Flow Y-Bridge for custom build racing applications
- CNC Machined Billet Aluminum Center Section and Flanges
- TIG Welded Construction
- Includes Bungs for MAP sensor and 1/8" NPT...More Details »
Item #: WCF100283
Condition:
New
Raw in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $729.00
Description: - 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...More Details »
Item #: WCF100325
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $859.00
Description: - Adapts T4 Flange Turbine Housing to OEM L5P Duramax Turbo Pedestal for custom turbocharger kits
- Installation Hardware
- Gaskets
- Black Ceramic Coat Finish
- Made in USA
Item #: WCF100256
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $409.00
Description: - Parker stainless braided #10 drain and #4 Feed Line
- Plug for OEM feed location in valley
- Fitting for turbo Feed
- Fitting for engine block oil galley
- Turbo drain flange and fitting
- Flange for rear engine cover
Item #: WCF100372
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $309.00
Description: -3" Down Pipe (HX40 STYLE FLANGE)
-V-band Clamp
-Heat Wrap & Clamps
-High Temp Coating
Item #: WCF100123
Condition:
New
Built to order. 10-15 business day lead time.
This Product cannot ship to the state of California
Price: $249.00
Description: - 3" High Flow Y-Bridge for custom build racing applications
- CNC Machined Billet Aluminum Center Section and Flanges
- TIG Welded Construction
- Includes Bungs for MAP sensor and 1/8" NPT...More Details »
Item #: WCF100615
Condition:
New
Raw and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on custom powder coat finish.
This Product cannot ship to the state of California
Price: $569.00
Description: -Map Sensor Seal
-Map Sensor Bracket
Item #: WCF100796
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $17.00
Description: - For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax
- Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory...More Details »
Item #: WCF205-280
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $41.00
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $89.00
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $79.00
Description: - 4" Twin Turbo Down Pipe for LB7/LLY/LBZ/LMM Duramax
- For custom build racing applications to fabricate your own twin turbo kit
- Use in conjunction with WCFab Twin Turbo Pedestal (WCF100675)...More Details »
Item #: WCF100274
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $629.00
Description: -Stainless Braided #8 Drain Line 30"
-Stainless Braided #4 Feed Line 30"
-1/4" x #4 Fitting for Turbo Feed
-3/8" NPT X #8 45* Fitting for Oil Pan
-M14 Fitting for Oil Feed from Engine Block
Item #: WCF100378
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $199.00
Items 1-60 of 82
- Page 1 of 2
- Next
