Engine
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V-Twin - Left Crankcase Main Bearing Set fits '77-'03 XL Sportster
V-Twin Manufacturing
$120.05Timken left crankcase main bearing set is factory assembled with correct spacer for proper end play. Sold as a pair. Fits: XL 1977-2003 OEM No: 24729-74$120.05 -
On Sale
Colony - Acorn Cam Cover Screw Set fits Harley FL, FX (see desc.) - Chrome
Colony Machine
Now: $27.99Was: $28.95Acorn cam cover screw Fits:FL 1970-1984FX 1971-1984FLT 1979-1992FXR 1982-1992FXST 1984-1992FLST 1986-1992FXD 1991-1992Now: $27.99Was: $28.95 -
V-Twin - 40-1872 - M8 Oil Control Valve
V-Twin
$35.50V-Twin - 40-1872 - M8 Oil Control ValveDescriptionOil control valve for air cooled engines on M8 models. Fits:FLT 2017-UPAdditional Information UOM1 - EA ManufacturerV-Twin OriginImported$35.50 -
V-Twin - 40-0850 - Pura Flow Universal Oil Filter Kit
V-Twin
$70.62V-Twin - 40-0850 - Pura Flow Universal Oil Filter KitDescriptionOur Pura-Flow universal oil filter kit includes bracket, oil filter and hose,*NOTE: Additional stock spin on oil filters available separately. Fits:Custom applicationAdditional Information ...$70.62 -
V-Twin - 40-0127 - Rocker Box Oil Line Set
Wyatt Gatling
$36.56V-Twin - 40-0127 - Rocker Box Oil Line SetDescriptionZinc oil line set for Shovelhead rocker boxes includes fittings and seals. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information UOM1 - SET ManufacturerWyatt Gatling ...$36.56 -
V-Twin - 31-1275 - Chrome Top Motor Mount
V-Twin
$112.17V-Twin - 31-1275 - Chrome Top Motor MountDescriptionBillet top motor mount with holes has a chrome finish.For Panhead, Shovelhead and Evolution engines. The two holes are drilled and tapped 5/16-18UNC with a center distance of 2". Fits:FL 1948-1985FX...$112.17 -
V-Twin - 31-0113 - Chrome Top Motor Mount
V-Twin
$36.56V-Twin - 31-0113 - Chrome Top Motor MountDescriptionTop motor mount chrome accepts molded coil and is equipped with a key switch hole. Fits:XLH 1957-1977XL 1957-1977Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog...$36.56 -
V-Twin - 16-1731 - Clear Long Timing Plug Tool
V-Twin
$15.19V-Twin - 16-1731 - Clear Long Timing Plug ToolDescriptionLong optically clear round timing plug tool assists in the proper timing of your motorcycle. Sold each. Fits:All modelsAdditional Information UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog...$15.19 -
V-Twin - 15-1316 - Cometic Cam Cover Gasket
Cometic
$22.92V-Twin - 15-1316 - Cometic Cam Cover GasketDescriptionCometic AFM cam cover gasket.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information UOM1 - EA ...$22.92 -
V-Twin - 15-0640 - V-Twin Rocker Box Gasket with Bead
Gary Bang
$34.56V-Twin - 15-0640 - V-Twin Rocker Box Gasket with BeadDescriptionRocker box gasket beaded Fits:XL 1957-1985Additional Information OEM No.17536-70 UOM5 - PK ManufacturerGary Bang OriginImported 2025 Catalog Pages862$34.56 -
V-Twin - 15-0492 - Panhead and Shovelhead Cam Cover Gasket Kit
Gary Bang
$27.64V-Twin - 15-0492 - Panhead and Shovelhead Cam Cover Gasket KitDescriptionPanhead gasket kit for cam cover, tappet base and distributor. Fits:FL 1948-1969Additional Information UOM1 - KIT ManufacturerGary Bang OriginImported 2025 Catalog Pages496 ...$27.64 -
V-Twin - 15-0414 - Head Base Gasket Kit
James
$47.85V-Twin - 15-0414 - Head Base Gasket KitDescriptionJames head base gasket kit with .045 gasket Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994XL 1986-UP 1200FLST 1986-1998Additional Information OEM No.16770-84A UOM1 - KIT ManufacturerJames ...$47.85 -
V-Twin - 14-0622 - James Rear Chain Cover Housing Oil Seal
James
$42.73V-Twin - 14-0622 - James Rear Chain Cover Housing Oil SealDescriptionOil seal for rear chain cover housing Fits:FLT 1982-1984FXRT 1982-1984Additional Information OEM No.25414-82 UOM1 - EA ManufacturerJames OriginUSA 2025 Catalog Pages766$42.73 -
V-Twin - 12-1510 - Cam Chest Breather Valve Washer Set
Motorshop
$34.56V-Twin - 12-1510 - Cam Chest Breather Valve Washer SetDescriptionCam chest breather valve washer set includes 8 sizes: .110, .115, .120, .125, .130, .135, .140, .145. Washer set is made of steel and for use on steel breather valves.Sold as a set of eight...$34.56 -
V-Twin - 12-1489 - Oil Pump Check Valve Kit
Motorshop
$34.56V-Twin - 12-1489 - Oil Pump Check Valve KitDescriptionCheck valve kit for 1956-1965 Big Twin Fits:FL 1956-1965Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog Pages494 Replacement Items13-0114 - Oil Pump Check Valve...$34.56 -
V-Twin - 12-1487 - Oil Pump Check Valve Kit
Motorshop
$34.56V-Twin - 12-1487 - Oil Pump Check Valve KitDescriptionCheck valve kit include ball, spring and cap. Fits:FLT 1981-1998FXD 1991-1999FXR 1982-1994FL 1981-1984FLST 1986-1998FX 1981-1984Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA ...$34.56 -
V-Twin - 12-1441 - Cam Bearing Washer .055 Size
Eastern
$27.09V-Twin - 12-1441 - Cam Bearing Washer .055 SizeDescriptionCam bearing washer .055 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional Information OEM No.25551-36 UOM5 - PK ...$27.09 -
V-Twin - 12-1416 - Chrome Oil Line Fitting
Motorshop
$35.64V-Twin - 12-1416 - Chrome Oil Line FittingDescriptionChrome, 90Â street elbow oil line fitting has 1/8" NPT male x 1/8 " NPT female thread. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998FX 1971-1984FXD 1991-1998FLST 1986-1998FL 1968-1984Additional...$35.64 -
V-Twin - 12-0427 - Left Crankcase Main Bearing Set
Motorshop
$93.34V-Twin - 12-0427 - Left Crankcase Main Bearing SetDescriptionReplica left crankcase main bearing set for the left side bearing assembly.Main bearing set is manufactured to meet OEM specifications for long lasting durability and performance. Fits:FL...$93.34 -
V-Twin - 11-1239 - 74 inch Piston Ring Set Standard
Rowe
$74.58V-Twin - 11-1239 - 74 inch Piston Ring Set StandardDescriptionRowe cast piston ring set is for 3-7/16" bore and is standard size. Features compression rings with a size of 1/16" and 3 piece oil rings with the size of 3/16".Sold as a pair for 2 pistons...$74.58 -
V-Twin - 11-0871 - Piston Wrist Pin and Lock Kit
Motorshop
$31.57V-Twin - 11-0871 - Piston Wrist Pin and Lock KitDescriptionWrist pin and lock kit includes two wrist pins and four lock rings. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994FLST 1986-1998Additional Information OEM No.22764-83 UOM1 - KIT ...$31.57 -
V-Twin - 11-0028 - Hydraulic Pushrod Tappet Set
Sonnax
$207.96V-Twin - 11-0028 - Hydraulic Pushrod Tappet SetDescriptionSifton hydraulic pushrod tappet set includes 4 max axle lifters with integral pump and 4 adjustable steel pushrods. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information ...$207.96 -
V-Twin - 10-0768 - Sifton Solid Tappet Conversion Kit
Motorshop
$177.80V-Twin - 10-0768 - Sifton Solid Tappet Conversion KitDescriptionSifton lifter conversion kit for Big Twin includes four standard size roller tappets and conversion adapter to act as solid lifters. Kit is non-adjustable type.*NOTE: Must order pushrod set...$177.80 -
V-Twin - 10-0580 - Standard Hydraulic Tappet Assembly
Sifton
$194.18V-Twin - 10-0580 - Standard Hydraulic Tappet AssemblyDescriptionSifton maxi-axle tappet features built in integral pump unit to set as a full hydraulic unit.The larger diameter rollers in these maxi-tappet assemblies increase the dynamic load rating by...$194.18 -
V-Twin - 10-0197 - Idler Gear Stud Kit
Motorshop
$31.86V-Twin - 10-0197 - Idler Gear Stud KitDescriptionKit includes cam chest idler gear stud with two bushings, and two fiber red washers. Fits:XL 1957-1985Additional Information UOM1 - KIT ManufacturerMotorshop OriginImported 2025 Catalog Pages843$31.86 -
V-Twin - 7506-4 - Solid Shovelhead Pushrod Set
Colony
$63.27V-Twin - 7506-4 - Solid Shovelhead Pushrod SetDescriptionSolid shovelhead pushrod set is alloy construction with hardened steel ends tips.For use with solid tappets with build in adjusters and lock nuts tappets. The length of the pushrods: 3 at 9-3/8"...$63.27 -
V-Twin - 7410-55T - Engine Case Sprocket Shaft Retainer and Seal
V-Twin
$27.86V-Twin - 7410-55T - Engine Case Sprocket Shaft Retainer and SealDescriptionRetainer and seal kit for the sprocket shaft Fits:FL 1955-1968Additional Information UOM1 - EA ManufacturerV-Twin OriginImported$27.86 -
Drag Specialties - DS275104 - Custom Oil Filter Mount
Drag Specialties
$62.78Drag Specialties - DS275104 - Custom Oil Filter MountFeaturesFeatures 1/4" NPT fittings and may be used with 3/8" stainless steel or rubber linesAccepts all Evolution style oil filtersDesigned to replace the OEM cast mountSpecsBase...$62.78 -
Drag Specialties - DS194054 - Lifter Blocks - Chrome - Evolution/Big Twin
Drag Specialties
$242.00Drag Specialties - DS194054 - Lifter Blocks - Chrome - Evolution/Big TwinFeaturesEach pair is precision-machined and comes with a set of chrome-plated socket-head screwsMade from cast aluminum, polished and chrome-platedReplacement Part for OEM...$242.00 -
Drag Specialties - 21100322 - Mini Crankcase Vent Filter
Drag Specialties
$25.75Drag Specialties - 21100322 - Mini Crankcase Vent FilterFeaturesHas a 1/4" mounting tab and accepts a 3/8" i.d. hoseFeatures chrome end caps with washable, reusable filterMeasures 1.5" in diameter and 1.6" highSpecsFilter Media StylePleatedProduct...$25.75 -
Trask - TM-017-RK - Assault Cam Cover Repair Kit - Twin Cam
Trask Performance
$39.95Trask - TM-017-RK - Assault Cam Cover Repair Kit - Twin CamFeaturesIncludes everything to repair Trask Assault Series Cam CoversMade in the USACam covers (sold separately).SpecsProduct NameRepair KitColor/FinishRawModelAssaultRiding...$39.95 -
Pc Racing - PCS1BC - Flo® "Spin-On" Oil Filter - Black with Cooling Fins
PC Racing
$149.95Pc Racing - PCS1BC - Flo® "Spin-On" Oil Filter - Black with Cooling FinsFeaturesFlows 7 times more than paper or synthetic filters while filtering to 35 microns (absolute, 1 pass test)Bypass valve will not open on cold startups and high RPMConsistent...$149.95 -
Feuling Parts - 1077 - Valve Guide Seals - For 0.530" Guide - 5/16" Valve Stem - Screamin' Eagle Cylinder Heads
Fueling Parts
$20.95Feuling Parts - 1077 - Valve Guide Seals - For 0.530" Guide - 5/16" Valve Stem - Screamin' Eagle Cylinder HeadsFeaturesHigh-quality Viton® valve guide sealsDesigned to handle high engine temperatures with a built-in spring-loaded wiper to clean excess...$20.95 -
Belt Drives Ltd. - MPB-9 - Motor Plate Bearing
Belt Drives Ltd.
$88.95Belt Drives Ltd. - MPB-9 - Motor Plate Bearing Features For use on BDL Belt Drive clutches Specs Riding Style Street Units Each Product Name Bearing$88.95 -
Trask - TM-7600-BK - Tornado Turbo Performance Kit - Black with Black Exhaust
Trask Performance
$5,999.95Trask - TM-7600-BK - Tornado Turbo Performance Kit - Black with Black Exhaust Features Bolt on 40%-50% more power for stock 107\ Trask compressor and turbine housing with Garrett internals Trask plenum with integrated blow-off valve Includes all...$5,999.95 -
Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/Trike
ThunderMax
$262.95Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/TrikeFeaturesUses engine temp and vehicle speed to reduce heat and keep engines running coolTakes only 15 minutes to install; does not require oil cooler removalPlug-n-play installation on M8 models...$262.95 -
S&S Cycle - 90-4079 - Rocker Box Top Gasket
S&S Cycle
$24.95S&S Cycle - 90-4079 - Rocker Box Top GasketFeaturesReplacement seal for EVO Big Twin and S&S 4-1/8 bore motorsSpecsUnitsEachTypeRocker CoverProduct NameGasketRiding StyleStreetFitment1984 Harley-Davidson Disc Glide FXRDG1995-1998 Harley-Davidson Dyna...$24.95 -
Rocker Lockers - DK-RL-SPT - Rocker Lockers - XL
Rocker Lockers
$29.95Rocker Lockers - DK-RL-SPT - Rocker Lockers - XLFeaturesCenters the rocker plate eliminating different wear patterns on the rocker arm valveTapered design so that they lock themselves in and wedge the bolt shaft in placeEliminates the gap between the...$29.95 -
Kb Performance - KB295.010 - Piston Kit - 3.498" +0.010" - 9.0:1 CR - XL1200
Kb Performance
$216.29Kb Performance - KB295.010 - Piston Kit - 3.498" +0.010" - 9.0:1 CR - XL1200FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held...$216.29 -
Kb Performance - KB909C.STD - Piston Kit - 3.875" Standard -10.5:1 CR - 96" to 103" Big Bore |103" Twin Cam
Kb Performance
$307.29Kb Performance - KB909C.STD - Piston Kit - 3.875" Standard -10.5:1 CR - 96" to 103" Big Bore |103" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsReplacement rings...$307.29
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.