Engine Gaskets & Seals

V-Twin - 8104-16 - Chrome Cylinder Base Nuts and WashersDescriptionStock cylinder base nut kit includes 8 nuts with washers. Fits:FX 1971-1977EL 1936-1940FL 1941-1977Additional Information UOM8 - SET ManufacturerColony OriginUSA 2025 Catalog Pages522

V-Twin - 7410-1-US - Engine Case Seal .002 UndersizeDescriptionEngine case seal .002 undersize. Fits:FL 1955-1968Additional Information UOM1 - EA ManufacturerColony OriginUSA

V-Twin - 73-0359 - Flat Head Socket Cap Screws Stainless Steel 8-32 x 1/2 inchDescription8-32 x 1/2" flat head socket cap screws with a stainless steel finish.Sold as a pack of 5. Fits:All modelsAdditional Information UOM5 - PK ManufacturerV-Twin ...

V-Twin - 73-0347 - Flat Head Socket Cap Screws Stainless Steel 10-24 x 1/2 inchDescription10-24 x 1/2" flat head socket cap screws with a stainless steel finish.Sold as a pack of 5. Fits:All modelsAdditional Information UOM5 - PK ManufacturerV-Twin ...

V-Twin - 73-0315 - SAE Flat Washers Stainless Steel 1/4 inchDescription1/4" SAE flat washers with a stainless steel finish.Sold as a pack of 5. Fits:All modelsAdditional Information UOM5 - PK ManufacturerV-Twin OriginUSA

V-Twin - 73-0148 - Allen Flat Head Screws Black 6-32 x 7/16 inchDescriptionFlat head allen screws 6-32 x 7/16" featuring a black finish with a coarse thread.Sold as a pack of 5. Fits:All modelsAdditional Information UOM5 - PK ManufacturerV-Twin ...

V-Twin - 7017-16 - Chrome Cylinder Base Acorn Nut and WasherDescriptionCylinder Base Chrome Acorn Nut and Washer Fits:FX 1971-1977EL 1936-1940FL 1941-1977Additional Information UOM1 - KIT ManufacturerColony OriginUSA 2025 Catalog Pages522

V-Twin - 10-0127 - 1-Hole Sifton Crank PinDescriptionSifton 1-hole crank pin is made of 8620 steel with a heat treatment depth of .062".You must align oil feed in flywheels with crank pin. OEM uses two different flywheels so oil feed hole locations may...

Drag Specialties - DS289219 - Flange AdapterFeaturesAllows you to mount OEM late-model CV or Mikuni HSR-42 carbs on early Evolutions with two-bolt flange manifoldsCNC machined from 6061 billet aluminumMounting holes are 2.75" on centerCan be polished,...

Drag Specialties - DS190813 - Bolt Set - Rocker Box - Knurled - '84-'03 Harley-DavidsonFeaturesReplacement hardware for mounting the rocker boxMade in the USASpecsColor/FinishChromeColor/FinishSilverBase FinishChromeProduct NameBoltBase ColorSilverRiding...

Drag Specialties - DS190137 - Nut Set - Cylinder BaseFeaturesIndividual acorn bolt and nut sets for specific applicationsMade in the U.S.A.SpecsApplicationCylinder BaseBase ColorSilverProduct NameHardware KitTypeBoltTypeNutUnitsSetNut TypeAcornRiding...

Drag Specialties - DS190108 - Nut Set - Acorn - Cylinder BaseFeaturesIndividual acorn bolt and nut sets for specific applicationsMade in the U.S.A.SpecsBase ColorSilverApplicationCylinder BaseTypeBoltProduct NameHardware KitTypeNutUnitsSetBase...

Drag Specialties - 18611185 - O2 Port Bushing Adapter - 18 mm to 12 mmFeaturesReduce the O2 port from 18mm to 12mmSold as eachSpecsAdapts18 mm - 12 mmRiding StyleStreetUnitsEachTypeO2 Sensor BungProduct NameAdapter

Drag Specialties - 10120005 - Breather Bolt Washer Kit - Dyna/FXR/Softail/Sportster/Touring/TrikeFeaturesFeatures four 7/16" and four 5/16" (inside diameter) aluminum centering washersAlso includes four 1/2" (inside diameter) nylon sealing...

Drag Specialties - 07100002 - Oil Dipstick - TouringFeaturesBillet machined aluminum with a chrome finishFeatures knurled edges to allow a good gripPlastic dipsticks have all required markingsIncludes sealing gasketsReplacement Part for OEM...

Threebond - 1207B100G - 1707B Gasket Maker - 3.4 oz. net wt.FeaturesMSDS Migration DataOEM specified, high viscosity, black gasket makerNon-slumping paste with strong adhesion properties to metals and plastics; effective in vibrating conditionsHighly...

S&S Cycle - 31-2068 - Lower End Gasket Kit - 4" and 4.125" Super Side Winder PlusFeaturesContain the best quality gaskets availableMade in the U.S.A.SpecsUnitsKitBore Size4,125''TypeLower EndBore Size4,000''Product NameGasket KitRiding StyleStreetBore...

S&S Cycle - 50-8095 - Silicone O-RingFeaturesO-Ring for Super E & G CarburetorsSpecsOutside Diameter0,510''Product NameO-RingRiding StyleStreetOutside Diameter Imperial0.510''MaterialSiliconeInside Diameter0,390''Units10 PackInside Diameter Imperial0...

S&S Cycle - 50-8044 - Viton O-RingFeaturesO-Ring for Super E & G CarburetorsSpecsOutside Diameter1,875''Inside Diameter Imperial1.625''StyleCustom ReplacementMaterialVitonProduct NameO-RingInside Diameter1,625''Outside Diameter Imperial1.875''Riding...

S&S Cycle - 50-8012 - Silicone O-RingFeaturesO-Ring for Super E & G CarburetorsSpecsInside Diameter0,218''Riding StyleStreetStyleCustom ReplacementMaterialSiliconeOutside Diameter0,3438''UnitsEachInside Diameter Imperial0.218''Product NameO-RingOutside...

S&S Cycle - 50-8009 - Silicone O-Ring - 50-8009FeaturesO-Ring for Super E & G CarburetorsSpecsInside Diameter Imperial0.390''StyleCustom ReplacementOutside Diameter Imperial0.510''Inside Diameter0,390''Riding StyleStreetProduct...

Revolution Performance, Llc - RP9926 - Gasket Kit - 124"/131"Featuresrevolution performance logoMade in the U.S.A.revolution performance logoSpecsProduct NameGasket KitRiding StyleStreetBore Size Imperial4-1/4''UnitsKit

Revolution Performance, Llc - RP9925-036-030 - Gasket Kit - 117" - Twin CamFeaturesrevolution performance logoMade in the U.S.A.revolution performance logoSpecsUnitsKitProduct NameGasket KitRiding StyleStreetBore Size Imperial4-1/8''

Revolution Performance, Llc - RP10085-030-HB - Gasket Kit - 113" - Twin CamFeaturesrevolution performance logoMade in the U.S.A.revolution performance logoSpecsProduct NameGasket KitUnitsKitBore Size Imperial4.060''Riding StyleStreet

Revolution Performance, Llc - RP9902 - Gasket Kit - 98"/107" - Twin CamFeaturesrevolution performance logoMade in the U.S.A.revolution performance logoSpecsBore Size Imperial3-15/16''Riding StyleStreetProduct NameGasket KitUnitsKit

S&S Cycle - 16-0242 - U-Ring - 40-42 mmFeaturesFor use with all current S&S intake manifoldsMade in the U.S.A.SpecsProduct NameU-RingThickness Metric40 mm - 42 mmRiding StyleStreetUnitsEachTypeIntake Manifold

S&S Cycle - 16-0241 - U-Ring - 44-45 mmFeaturesFor use with all current S&S intake manifoldsMade in the U.S.A.SpecsTypeIntake ManifoldUnitsEachRiding StyleStreetProduct NameU-RingThickness Metric44 mm - 45 mm

Permatex - 25238 - Right Stuff - Gray - 3 U.S. fl oz.FeaturesSpecifically designed to perform under higher torque loads caused by engines with closely spaced bolt patternsSeals instantlyBlowout resistant, allowing leakproof gaskets to be made and put...

Permatex - 81878 - Silicone Gasket Maker - 3 oz. net wt.FeaturesMSDS Migration DataFor high operating temperaturesLow odor, noncorrosiveSuperior adhesionMore oil resistant than conventional siliconeMore flexible than cut gasketTemperature range: -65 F to...

Kibblewhite - 20-20830 - Valve Seal Installer - EVOFeaturesReplacement seal installers for Valve Guide Seal Installation Tools setSpecsColor/FinishRedRiding StyleStreetColor/FinishAnodizedProduct NameSeal InstallerUnitsEachMaterial6061 T6...

Kibblewhite - 20-20835 - Valve Seal - Installation Tool - SetFeaturesPrecision fitment onto the seal OD to help the builder center the seal over the valve guide so that a few light strikes from a hammer will set the sealTop striking surface reduces the...

Lang Tools - 950 - Gasket Punch Hole - Set - 11-PieceFeaturesTen punch sizes: 1/4\Designed to cut holes and internal radii in gaskets and other soft materialContains 11 pieces, 10 punches and one long driving mandrelMade in the U.S.A.LANG 950 - 11-Piece...

Jims - 2171 - Cam Cover Large O-RingFeaturesFits most cam coversMade in the U.S.A.SpecsRiding StyleStreetProduct NameO-RingSizeLargeTypeTwin CamMaterialRubberUnitsEach

Feuling Parts - 9011 - Gasket - Replacement/Camplate ToolFeaturesReplacement gasket for Feuling tool part# 9010SpecsColor/FinishGoldProduct NameGasketTypeReplacementRiding StyleStreetUnitsEachTypeCamplate Tool

James Gasket - JGI-29230-90-K - Breather Shop Service KitFeaturesIncludes all gaskets, seals and O-rings to service OEM breather systemsMade in the USASpecsTypeIntakeUnitsKitProduct NameGasket KitRiding StyleStreet

Feuling Parts - 1078 - Valve Guide Seals - For 0.500" Guide - 5/16" Valve StemFeaturesHigh-quality Viton® valve guide sealsDesigned to handle high engine temperatures with a built-in spring-loaded wiper to clean excess oil from valve stem with minimal...

Feuling Parts - 5200 - Crankshaft Bearing Race Kit - Twin Cam A EnginesFeaturesPress-on races have a precision-ground outer diameter finish and are designed to be true to size, producing the correct outer diameter after proper press on...

Cometic - C10348-052 - Head Gasket - 4.500" - .052" - 4.515" ID Coolant - MLX - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMLX Gasket...

Cometic - C10378 - Head Gasket - 4.310" - .040" - Center Cooled - MLS - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMLX Gasket...

Cometic - C9934 - Head Gasket - S&S Super Sidewinder - 4.125" - .045"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMulti-Layer Steel (MLS) gasket...