Engine

V-Twin - 37-8951 - Cylinder StudsDescriptionEvolution cylinder studs only are 6.680" long and have a 3/8-16 coarse thread. Fits:FXST 1986-1998FLT 1986-1998FXD 1991-1998FXR 1986-1994FLST 1986-1998Additional Information OEM No.16837-85C UOM8 - PK ...

V-Twin - 37-8946 - Oil Pump Relief Valve KitDescriptionOil pump relief valve kit Fits:FL 1954-1967Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages494 Replacement Items13-0107 - Oil Pump Relief Valve Spring9606-2...

V-Twin - 37-8935 - Cylinder Stud InsertDescriptionCylinder stud insert comes as a 8 piece Fits:FXST 1986-1998FLT 1986-1998FXD 1991-1998XL 1991-2003FXR 1986-1994FLST 1986-1998Additional Information OEM No.16573-83 UOM8 - PK ManufacturerEastern ...

V-Twin - 37-8897 - Head Bolt Cover Set Dome ChromeDescriptionChrome dome style head bolt cover set Fits:FXST 1984-1985FLT 1984-1985FXR 1984-1985Additional Information UOM4 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages36

V-Twin - 37-8866 - Pushrod Tappet Lock NutDescription5/16"-32 pushrod tappet lock nut fits solid lifters. Fits:Replacement application for 5/16 x 32 adjuster screwsAdditional Information UOM4 - PK ManufacturerV-Twin OriginUSA 2025 Catalog Pages502

V-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 UOM10 - SET ManufacturerGardner-Westcott OriginUSA 2025...

V-Twin - 37-8799 - Cylinder Headbolt Cover Set ChromeDescription4 piece cylinder headbolt cover set featuring a chrome finish. Fits:FXD 1991-2017FLT 1986-2017XL 1986-UPFXST 1986-2017FXR 1986-1994FLST 1986-2017Additional Information OEM No.43890-93 UOM1...

V-Twin - 37-8511 - Cam and Primary Dress Up Screw KitDescriptionCam and Primary dress up engine kit Fits:XL 1971-1976Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-8510 - Cam and Primary Dress Up Screw KitDescriptioncam and primary dress up screw kit Fits:XL 1977-1985Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-8509 - Cam and Primary Dress Up Screw KitDescriptionCam and primary dress up screw kit Fits:XL 1986-1990Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-8508 - Cam and Primary Dress Up Screw KitDescriptionCam and primary dress up screw kit Fits:XL 1991-2003Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-8505 - Cam and Primary Cover Dress Up Chrome Screw KitDescriptionCam and primary cover dress up chrome screw kit for transmission, chain, clutch or derby where applicable.Kit has 22 allen screws. Fits:FL 1970-1984FX 1971-1984Additional...

V-Twin - 37-8092 - Allen Fastener Set ChromeDescriptionChrome allen fastener set Fits:XL 1991-2003Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-8085 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen engine dress up screw kit Fits:FLST 1986-1986FXST 1986-1986Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages408

V-Twin - 37-8084 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen style engine dress up screw kit Fits:FXR 1984-1986Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages408

V-Twin - 37-7490 - Chrome Allen Head Engine Dress Up Screw KitDescriptionChrome Allen Head Engine Dress Up Screw Kit Fits:FX 1971-1976FL 1970-1976Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog...

V-Twin - 37-2090 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen engine dress up screw kit Fits:XL 1971-1976Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-2089 - Engine Dress Up Screw Kit Allen ChromeDescriptionChrome allen engine dress up screw kit Fits:XLH 1977-1984Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-2087 - Engine Dress Up Screw Kit Allen ChromeDescriptionAllen engine dress up screw kit Fits:XL 1986-1990Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA StyleAllen 2025 Catalog Pages839

V-Twin - 37-1675 - Oil Pump Fillister Screws CadmiumDescriptionOil pump fillister screws feature a cadmium finish.Sold as a pack of 10. Fits:FL 1967-1969Additional Information OEM No.1183 UOM10 - PK ManufacturerV-Twin OriginImported 2025 Catalog...

V-Twin - 37-1526 - Wyatt Gatling Chrome Allen Head Bolt Caps 1/4 inch Description Chrome 1/4" Allen Head Cap snaps onto allen socket head screws. The caps fit tightly over the head and add a finished appearance. These are sold in packs of 25. ...

V-Twin - 37-1209 - Head Bolt Cover Set ChromeDescriptionChrome head bolt cover set.Sold as a set of 4. Fits:FLT 1999-2016FXST 1999-UPFLST 1999-UPFXD 1999-2017Additional Information UOM1 - SET MeasurementsAdditional InformationHeight: 5/8"Base...

V-Twin - 37-1205 - Rocker Box Allen Type Screw KitDescriptionRocker box screw kit is allen type. Fits:XL 2004-UPAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages839

V-Twin - 37-1202 - Cam Cover Allen Type Screw KitDescriptionAllen type cam cover screw kit. Fits:XL 2004-UPAdditional Information UOM1 - KIT FinishChrome ManufacturerV-Twin OriginImported 2025 Catalog Pages839

V-Twin - 37-0975 - Rocker Box Cover Screw Set BlackDescriptionRocker box cover hex head phillips screw set with a black finish.Sold as a set of 36 pieces. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - SET ManufacturerV-Twin OriginUSA

V-Twin - 37-0966 - Bolt KitDescriptionChrome bolt kit for filter kit. Fits:Special applicationAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages749

V-Twin - 37-0952 - Chrome Engine Mount Bolt SetDescriptionChrome engine mount bolt set. Fits:FLT 1989-1999FXR 1989-1994Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages326

V-Twin - 37-0905 - 1936 Oval Head Screw SetDescription1936 oval head screw set for Knucklehead rocker shaft end caps.Sold as a set of 4. Fits:EL 1936-1936Additional Information UOM4 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages553

V-Twin - 37-0848 - Top Motor Mount Bolt Kit ChromeDescriptionChrome top motor mount bolt kit. Fits:XL 1977-1985Additional Information UOM1 - KIT ManufacturerGardner-Westcott OriginUSA 2025 Catalog Pages946

V-Twin - 37-0820 - Rocker Box Cover Collar and Screw KitDescriptionChrome rocker box cover collar and screw kit includes sealing washer with built in o-ring for position seal. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994FLST...

V-Twin - 37-0799 - Split Lock Washers Parkerized 1/2 inch Description 1/2" X 27/32" X 1/16" split lock washers with a parkerized finish, is for use with OEM #7905, 1/2"-20 X 3/8" X 3/4" flex nut. Fits: UL 1937-1948 EL 1936-1940 FL...

V-Twin - 37-0585 - Rocker Box Cover Screw Cover Set ChromeDescriptionChrome screw cover set for grooved rocker box cover.Sold as a 4 piece set. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information OEM No.43868-99 UOM1 - SET...

V-Twin - 37-0577 - Rear Motor Mount Bolt KitDescriptionRear motor mount bolt kit.Order studs separately. Fits:XL 1954-1981Additional Information UOM1 - KIT ManufacturerV-Twin OriginUSA 2025 Catalog Pages946

V-Twin - 37-0565 - Rocker Box Cover Screw Set ParkerizedDescriptionRocker box cover hex head flat screw set with a parkerized finish.Sold as a set of 34 pieces. Fits:FL 1941-1947EL 1936-1940 KnuckleheadAdditional Information OEM No.3477 UOM1 - SET ...

V-Twin - 37-0516 - Internal Biter Lock Washers 3/8 inch Description 3/8" Internal biter lock washers Fits: XL 1971-1984 Additional Information OEM No. 7130W UOM 25 - PK Manufacturer V-Twin Origin USA 2025 Catalog...

V-Twin - 37-0481 - Front Motor Mount SpacerDescriptionFront motor mount spacer measures 1-1/4" X 3/8".Sold as a pair. Fits:XL 1979-1985Additional Information UOM1 - SET ManufacturerV-Twin OriginUSA

V-Twin - 37-0419T - Top Motor Mount Spacer SetDescriptionZinc motor mount spacer set has a 7/16" inner diameter X 1-1/8" outer diameter x 3/4" thick. Set spaces out top mount or wide tire conversions. Fits:Custom application for spacing out top...

V-Twin - 37-0097 - Magnetic Engine Case Drain PlugDescriptionMagnetic drain plug prevents metal particles from circulating through engine, and oil tanks. Plug is 3/8" - 24 UNF. Fits:FX 1971-1984FL 1941-1984Additional Information OEM No.700 UOM1 - EA ...

V-Twin - 37-0079 - Motor Mount Bushing Kit Raw SteelDescriptionRaw steel motor mount repair bushing kit has a 3/8" inner diameter and a 1/2" outer diameter. This kit is used to align motor after frame mount repair.Drill a 1/2" hole in motor mount. The...

V-Twin - 37-0043 - Rocker Box Screw Kit ChromeDescriptionRocker box screw kit with a chrome finish. Fits:FLT 1999-2016FXST 1999-UPFLST 1999-UPFXD 1999-2017Additional Information OEM No.3693A UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog...