Wehrli Custom Fabrication - WCFab - Engine

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Items 1-60 of 77
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

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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

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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
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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
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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
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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
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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
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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
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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
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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
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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
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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, 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
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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
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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
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Description: -Coolant Fitting -No tuning required!
Item #: WCF100798
Condition: New
In Stock. Ships in 3-5 business days.
Price: $42.00
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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
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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
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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
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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
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Description: - Compatible with OEM Intake Air Temperature Sensor (IAT) used on passenger (cold) side intercooler pipe on 2011-2016 LML and 2017-2024 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
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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

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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
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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

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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

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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

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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
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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
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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
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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
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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

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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

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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
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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: - 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
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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

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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
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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

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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

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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

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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

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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

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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 in stock and ships in 3-5 business days. 10-15 business day lead time on powder coat finish.
This Product cannot ship to the state of California
Price: $619.00


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
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In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $89.00

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In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $79.00

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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

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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


Description: - #6 Oil Feed Line - #10 Oil Drain Line - Parker stainless braided drain and feed lines - Fittings for turbo, oil pan and engine block
Item #: WCF100380
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $150.00

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In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $289.00


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 #: WCF100397
Condition: New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $289.00


Items 1-60 of 77