Gardner-Westcott
Gardner-Westcott is a trusted manufacturer of motorcycle hardware specializing in precision fittings, fasteners and engine dress-up kits for custom and performance applications. The brand offers chrome and stainless hardware designed for accurate fitment, corrosion resistance and clean visual presentation. Builders rely on Gardner-Westcott for components that enhance both functionality and appearance on Harley-Davidson and custom motorcycles.
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V-Twin - 40-0609 - Hex Reducing Nipple Fitting
Gardner-Westcott
$11.88V-Twin - 40-0609 - Hex Reducing Nipple FittingDescriptionThis fitting is 1/4" to 1/8" National Pipe Thread and is used as a male to male reduce fitting. Fits:Custom applicationAdditional Information ...$11.88 -
V-Twin - 40-0581 - Carburetor Vent Fitting Straight
Gardner-Westcott
$11.86V-Twin - 40-0581 - Carburetor Vent Fitting StraightDescriptionThis straight vent fitting has a chrome steel nipple and a 1/8" National Pipe Thread, for 5/16" hose. Fits:All modelsAdditional...$11.86 -
V-Twin - 40-0561 - Oil Pump Fitting Kit
Gardner-Westcott
$81.57V-Twin - 40-0561 - Oil Pump Fitting KitDescriptionChrome oil pump fitting kit for Big Twin models.Oil line available separately. Fits:FX 1968-1984FL 1968-1984Additional Information UOM1 - KIT ...$81.57 -
V-Twin - 37-9256 - Pulley Bolt Kit Chrome
Gardner-Westcott
$38.91V-Twin - 37-9256 - Pulley Bolt Kit ChromeDescriptionChrome 12 point style pulley bolt kit. Fits:FLST 1986-1996 cast wheelFXST 1985-1996 cast wheelAdditional Information UOM1 - EA ...$38.91 -
V-Twin - 37-9254 - Pulley Bolt Kit Chrome
Gardner-Westcott
$48.17V-Twin - 37-9254 - Pulley Bolt Kit ChromeDescriptionChrome 12 point style pulley bolt kit. Fits:FXST 1985-1996 spoke wheelFLST 1986-1996 spoke wheelAdditional Information UOM1 - EA ...$48.17 -
Out of stock
V-Twin - 37-9253 - Gas Tank Mount Kit Allen Type
Gardner-Westcott
$23.86V-Twin - 37-9253 - Gas Tank Mount Kit Allen TypeDescriptionAllen type gas tank mount kit. Fits:FXD 1991-2017Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA 2025 Catalog...$23.86 -
Out of stock
V-Twin - 37-9226 - Oil Pump Plug Set Allen Type
Gardner-Westcott
$83.25V-Twin - 37-9226 - Oil Pump Plug Set Allen TypeDescriptionAllen type oil pump plug set. Fits:FLT 1981-1998FXST 1984-1998FXR 1982-1994FXD 1991-1998FL 1981-1984FLST 1986-1998FX 1981-1984Additional...$83.25 -
V-Twin - 37-9225 - Oil Pump Plug Set Allen Type
Gardner-Westcott
$49.67V-Twin - 37-9225 - Oil Pump Plug Set Allen TypeDescriptionAllen type oil pump plug set. Fits:FX 1971-1980FL 1970-1980Additional Information UOM3 - SET ManufacturerGardner-Westcott OriginUSA 2025...$49.67 -
V-Twin - 37-9220 - Triple Tree Pinch Bolt Set Allen Type
Gardner-Westcott
$17.88V-Twin - 37-9220 - Triple Tree Pinch Bolt Set Allen TypeDescriptionAllen type triple tree pinch bolt set. Fits:FXR 1982-1987FX 1973-1984XL 1973-1987Additional Information UOM1 - KIT ...$17.88 -
V-Twin - 37-9207 - Front Motor Mount Bolt Kit Hex Type
Gardner-Westcott
$77.60V-Twin - 37-9207 - Front Motor Mount Bolt Kit Hex TypeDescriptionHex type front motor mount bolt kit with a chrome finish. Fits:XL 1957-1984Additional Information UOM1 - KIT ...$77.60 -
V-Twin - 37-9191 - Chrome Engine Case Allen Bolt Kit
Gardner-Westcott
$90.32V-Twin - 37-9191 - Chrome Engine Case Allen Bolt KitDescriptionAllen type engine case bolt kit has a chrome finish. Fits:FLT 1984-1995FXST 1984-1995FLST 1986-1995FXD 1991-1995FXR 1984-1994Additional...$90.32 -
V-Twin - 37-9181 - Chrome Engine Mount Allen Screw Set
Gardner-Westcott
$46.58V-Twin - 37-9181 - Chrome Engine Mount Allen Screw SetDescriptionChrome engine mount screw set with allen type screws for 4- speed transmissions connects engine mounts, front, top and r ear to frame...$46.58 -
Out of stock
V-Twin - 37-9116 - Keihin Carburetor CV Screw Kit Chrome
Gardner-Westcott
$43.36V-Twin - 37-9116 - Keihin Carburetor CV Screw Kit ChromeDescriptionChrome Keihin carburetor CV screw kit. Fits:XL 1988-UPFXST 1990-UPFLT 1993-2006FXD 1993-2017FLST 1990-UPFXR 1990-1994Additional...$43.36 -
V-Twin - 37-9106 - Chrome Screw Kit
Gardner-Westcott
$78.23V-Twin - 37-9106 - Chrome Screw KitDescriptionChrome screw kit for S&S "E" and "G" carburetor. Fits:Replacement application for S&S E and G carburetorsAdditional Information UOM1 - KIT ...$78.23 -
V-Twin - 37-9084 - Rear Fender Strut Bolt Kit Chrome
Gardner-Westcott
$25.36V-Twin - 37-9084 - Rear Fender Strut Bolt Kit ChromeDescriptionChrome allen type rear fender strut bolt kit attaches the struts to the rear fender. Includes four bolts.Includes 2 piece 5/16"-18 x 1"...$25.36 -
V-Twin - 37-9057 - 7/16 inch Lock Washer Chrome
Gardner-Westcott
$164.19V-Twin - 37-9057 - 7/16 inch Lock Washer ChromeDescriptionChrome 7/16" lock washer Fits:All ModelsAdditional Information OEM No.7039 UOM100 - PK ManufacturerGardner-Westcott OriginUSA 2025...$164.19 -
V-Twin - 37-9056 - 3/8 inch Lock Washer Chrome
Gardner-Westcott
$66.62V-Twin - 37-9056 - 3/8 inch Lock Washer ChromeDescriptionChrome 3/8" lock washer Fits:All ModelsAdditional Information OEM No.7038 UOM100 - PK ManufacturerGardner-Westcott OriginUSA 2025 Catalog...$66.62 -
V-Twin - 37-9055 - 5/16 inch Lock Washer Chrome
Gardner-Westcott
$34.49V-Twin - 37-9055 - 5/16 inch Lock Washer ChromeDescriptionChrome 5/16" lock washer Fits:All ModelsAdditional Information OEM No.7041 UOM100 - PK ManufacturerGardner-Westcott OriginUSA 2025...$34.49 -
V-Twin - 37-9050 - Rear Fender Strut Bolt Kit Chrome Allen Type
Gardner-Westcott
$64.75V-Twin - 37-9050 - Rear Fender Strut Bolt Kit Chrome Allen TypeDescriptionChrome allen type rear fender strut bolt kit attaches the st ruts to the rear fender. Fits:XL 1957-1978Additional Information...$64.75 -
V-Twin - 37-9049 - Fender Strut Bolt Kit Allen Chrome
Gardner-Westcott
$44.92V-Twin - 37-9049 - Fender Strut Bolt Kit Allen ChromeDescriptionChrome allen fender strut bolt kit includes necessary allen head bolts, washers and nuts for fender mounting. Fits:FL 1958-1984 without...$44.92 -
V-Twin - 37-9048 - Fender Strut Bolt Kit Allen Chrome
Gardner-Westcott
$41.64V-Twin - 37-9048 - Fender Strut Bolt Kit Allen ChromeDescriptionChrome allen fender strut bolt kit Fits:FX 1973-1984Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA 2025...$41.64 -
V-Twin - 37-8996 - Front Brake Caliper Mount Kit
Gardner-Westcott
$21.88V-Twin - 37-8996 - Front Brake Caliper Mount KitDescriptionFront brake caliper mount kit for 1974-1977 Fits:FX 1974-1977XL 1974-1977Additional Information UOM1 - KIT ManufacturerGardner-Westcott ...$21.88 -
V-Twin - 37-8978 - Rear Fender Strut Bolt Kit Allen
Gardner-Westcott
$59.83V-Twin - 37-8978 - Rear Fender Strut Bolt Kit AllenDescriptionChrome allen type rear fender strut bolt kit attaches the st ruts to the rear fender. Includes necessary allen head bolts , washers, &...$59.83 -
V-Twin - 37-8831 - Cylinder Headbolt Set Chrome
Gardner-Westcott
$84.52V-Twin - 37-8831 - Cylinder Headbolt Set ChromeDescriptionChrome cylinder headbolt set with coarse thread for use with early style STD heads only. Fits:Special applicationAdditional Information ...$84.52 -
V-Twin - 37-8724 - Allen Button Head Screws Chrome 3/8 inch X 2 inch
Gardner-Westcott
$43.53V-Twin - 37-8724 - Allen Button Head Screws Chrome 3/8 inch X 2 inchDescriptionAllen button head screws, 3/8" X 2" chrome finish, coarse threads. Fits:All ModelsAdditional Information UOM10 - PK ...$43.53 -
V-Twin - 37-8711 - Allen Button Head Screws Chrome 5/16 inch X 1/2 inch
Gardner-Westcott
$27.16V-Twin - 37-8711 - Allen Button Head Screws Chrome 5/16 inch X 1/2 inchDescriptionAllen button head screws, 5/16" X 1/2" chrome finish, coarse threads. Fits:All ModelsAdditional Information UOM10 -...$27.16 -
V-Twin - 37-8707 - Allen Button Head Screws Chrome 1/4 inch X 1-3/4 inch
Gardner-Westcott
$25.33V-Twin - 37-8707 - Allen Button Head Screws Chrome 1/4 inch X 1-3/4 inchDescriptionAllen button head screws, 1/4" X 1-3/4" chrome finish, coarse threads. Fits:All ModelsAdditional Information UOM10...$25.33 -
V-Twin - 37-8704 - Allen Button Head Screws Chrome 1/4 inch X 1 inch
Gardner-Westcott
$23.53V-Twin - 37-8704 - Allen Button Head Screws Chrome 1/4 inch X 1 inchDescriptionAllen button head screws, 1/4" X 1" chrome finish, coarse threads. Fits:All ModelsAdditional Information UOM10 - PK ...$23.53 -
V-Twin - 37-8682 - Hex Cap Bolt Chrome 3/8 inch X 3-1/2 inch
Gardner-Westcott
$37.93V-Twin - 37-8682 - Hex Cap Bolt Chrome 3/8 inch X 3-1/2 inchDescriptionHex Cap Bolt, 3/8" X 3-1/2", chrome finish, coarse thread Fits:All ModelsAdditional Information UOM10 - PK FinishChrome ...$37.93 -
V-Twin - 37-8672 - Caliper Allen Bolt Set Chrome
Gardner-Westcott
$41.64V-Twin - 37-8672 - Caliper Allen Bolt Set ChromeDescriptionChrome caliper allen bolt set Fits:FL 1973-1982FX 1973-1982Additional Information UOM4 - SET LocationFront ManufacturerGardner-Westcott ...$41.64 -
V-Twin - 37-8658 - Hex Cap Bolts Zinc 3/8 inch x 3-1/2 inch
Gardner-Westcott
$28.89V-Twin - 37-8658 - Hex Cap Bolts Zinc 3/8 inch x 3-1/2 inchDescriptionHex cap bolt, 3/8"-16 x 3-1/2", zinc finish coarse thread. Fits:All ModelsAdditional Information UOM10 - PK FinishZinc ...$28.89 -
Out of stock
V-Twin - 37-8637 - Chrome Spacers 3/8 inch x 13/16 inch x 1/2 inch
Gardner-Westcott
$23.86V-Twin - 37-8637 - Chrome Spacers 3/8 inch x 13/16 inch x 1/2 inchDescriptionChrome Steel Spacers 3/8" inner diameter, 13/16" outer diameter, 1/2" long. Pack of 10. Fits:All ModelsAdditional...$23.86 -
V-Twin - 37-8635 - Chrome Spacers 5/16 inch x 1/2 inch x 17/32 inch
Gardner-Westcott
$26.00V-Twin - 37-8635 - Chrome Spacers 5/16 inch x 1/2 inch x 17/32 inchDescriptionChrome Steel Spacers 5/16" inner diameter, 1/2" outer diameter, 17/32" long. Pack of 5. Fits:All ModelsAdditional...$26.00 -
V-Twin - 37-8629 - Chrome Spacers 1/4 inch x 7/16 inch x 3/16 inch
Gardner-Westcott
$15.86V-Twin - 37-8629 - Chrome Spacers 1/4 inch x 7/16 inch x 3/16 inchDescriptionChrome Steel Spacers 1/4" inner diameter, 7/16" outer diameter, 1/4" long. Pack of 10. Fits:All ModelsAdditional...$15.86 -
V-Twin - 37-8627 - Hex Cap Bolts Chrome 1/2-13 X 2-1/4 inch
Gardner-Westcott
$46.57V-Twin - 37-8627 - Hex Cap Bolts Chrome 1/2-13 X 2-1/4 inchDescriptionHex Cap Bolt, 1/2"-13 x 2-1/4", chrome finish, coarse thread. Fits:All ModelsAdditional Information UOM10 - PK FinishChrome ...$46.57 -
V-Twin - 37-8600 - Hex Cap Bolts Chrome 1/2 inch x 2-1/4 inch
Gardner-Westcott
$47.53V-Twin - 37-8600 - Hex Cap Bolts Chrome 1/2 inch x 2-1/4 inchDescriptionHex cap bolt, 1/2"-20 x 2-1/4", chrome finish fine thread. Fits:All ModelsAdditional Information OEM No.3958 UOM10 - PK ...$47.53 -
V-Twin - 37-8572 - Chrome Flat Washers 5/8 inch, Extra Thick
Gardner-Westcott
$44.95V-Twin - 37-8572 - Chrome Flat Washers 5/8 inch, Extra ThickDescriptionChrome flat washer 5/8" inner diameter, extra thick with tighter fitting inner diameter than standard SAE washers. Fits:All...$44.95 -
V-Twin - 37-8571 - Chrome Flat Washers 1/2 inch, Extra Thick
Gardner-Westcott
$27.25V-Twin - 37-8571 - Chrome Flat Washers 1/2 inch, Extra ThickDescriptionChrome flat washer 1/2" inner diameter, extra thick with tighter fitting inner diameter than standard SAE washers. Fits:All...$27.25 -
V-Twin - 37-8570 - Chrome Flat Washers 7/16 inch, Extra Thick
Gardner-Westcott
$42.67V-Twin - 37-8570 - Chrome Flat Washers 7/16 inch, Extra ThickDescriptionChrome flat washer 7/16" inner diameter, extra thick with tighter fitting inner diameter than standard SAE washers. Fits:All...$42.67 -
V-Twin - 37-8569 - Chrome Flat Washers 3/8 inch, Extra Thick
Gardner-Westcott
$40.91V-Twin - 37-8569 - Chrome Flat Washers 3/8 inch, Extra ThickDescriptionChrome flat washer 3/8" inner diameter, extra thick with tighter fitting inner diameter than standard SAE washers. Fits:All...$40.91
Gardner-Westcott Motorcycle Hardware – Precision Fittings, Fasteners and Engine Dress-Up Kits
Gardner-Westcott has established a strong reputation in the motorcycle aftermarket by producing high-quality hardware designed for accuracy, consistency and refined appearance. The brand focuses on precision-machined fittings and fasteners that support proper assembly and long-term reliability. With careful attention to tolerances and finish quality, Gardner-Westcott components are developed to meet the expectations of professional builders and enthusiasts alike.
The Gardner-Westcott product lineup includes hex bolts, Allen fasteners, engine dress-up kits, swingarm hardware, oil pump fittings, NPT adapters, clamps, washers and specialty mounting hardware. These components are engineered for compatibility with Harley-Davidson models, custom choppers and performance-oriented motorcycles. Chrome-plated and stainless steel options provide corrosion resistance while maintaining a clean, polished look suitable for exposed applications.
Builders choose Gardner-Westcott for hardware that delivers dependable fitment, consistent sizing and clean installation results. Whether used for engine detailing, brake system mounting or general motorcycle assembly, the brand’s components support organized builds and long-term serviceability. Gardner-Westcott continues to be a preferred solution for riders and builders seeking precision motorcycle hardware that balances function, finish and reliability.