Engine
8170 parts
Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.
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K & N - KN-171C - Oil Filter - Chrome
K&N
$19.99K & N - KN-171C - Oil Filter - ChromeFeaturesK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oilsA...$19.99 -
Jims - 24334-36 - Wrist Pin Bushing - Big Twin
Jims
MSRP: $51.95$51.45Jims - 24334-36 - Wrist Pin Bushing - Big Twin Features Machined from solid bronze bar stock Hold concentricity to less than .0002" Lead-in edge for easy installation Made in the U.S.A...MSRP: $51.95$51.45 -
Jims - 24002-70 - Sprocket Shaft Oil Seal Spacer - Fits 1970-1999 Big Twin (except Twin Cam); repl. OEM #24002-70 (Motor sprocket shaft spacer, 1970-1984)
Jims
MSRP: $43.95$43.65Jims - 24002-70 - Sprocket Shaft Oil Seal SpacerFeaturesMachined to a 32-micron, burr-free finish for extended seal lifeMade in the U.S.A.SpecsMSRP: $43.95$43.65 -
Feuling Parts - 3026 - Cylinder Stud Kit - Big Twin/Evolution
Feuling
$129.95Feuling Parts - 3026 - Cylinder Stud Kit - Big Twin/EvolutionFeaturesPrecision J-form threads for optimum engagement, to prevent galling and promote more consistent torque loadingSuperior in strength...$129.95 -
Feuling Parts - 3037 - Stud/Nut Kit - Rocker Arm Shaft Stud - M8
Feuling
$145.95Feuling Parts - 3037 - Stud/Nut Kit - Rocker Arm Shaft Stud - M8 Features Feuling® studs and nuts help relieve the stress put on the factory and SE cylinder heads, which have an extremely weak...$145.95 -
Feuling Parts - 3048 - Stud Kit - Exhaust - 12-Point - EVO
Feuling
$89.95Feuling Parts - 3048 - Stud Kit - Exhaust - 12-Point - EVOFeaturesQuality 12-point heat treated 8740 chrome moly steel bolts with black oxide finishFeatures precision rolled threads for optimum...$89.95 -
Feuling Parts - 7099 - Race Series® Oil System Kit - Water Cooled - M8
Feuling
$1,229.95Feuling Parts - 7099 - Race Series® Oil System Kit - Water Cooled - M8 Features Includes FUELING® High Flow billet camplate made from 7075 aluminum which is 50% harder and stronger than the...$1,229.95 -
Feuling Parts - 7078 - Chain Drive Conversion Kit - Twin Cam
Feuling
$49.95Feuling Parts - 7078 - Chain Drive Conversion Kit - Twin CamFeaturesChain drive conversion kit for '99-'06 Twin Cam with gear driven cams except '06 dynaMade in the USAFor use with PART #0932-0027...$49.95 -
Feuling Parts - 4018 - Lifters - Race Series® - Oversize - M8
Feuling
$299.95Feuling Parts - 4018 - Lifters - Race Series® - Oversize - M8FeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts and...$299.95 -
Feuling Parts - 4000 - Tappet Set - Twin Cam/M8
Feuling
$219.95Feuling Parts - 4000 - Tappet Set - Twin Cam/M8FeaturesPerformance hydraulic roller lifters dyno developed and track testedCNC-machined and precision groundWhen used with Feuling® oil pump, they will...$219.95 -
Feuling Parts - 4072 - HP+® Pushrods - Standard - Twin Cam
Feuling
$179.95Feuling Parts - 4072 - HP+® Pushrods - Standard - Twin CamFeaturesFeuling highly recommends using one-piece pushrods instead of adjustable pushrods to maintain maximum cam/valve lift and reduce...$179.95 -
Feuling Parts - 1370 - Camshafts - 505/515 XL
Feuling
$459.95Feuling Parts - 1370 - Camshafts - 505/515 XLFeaturesProduce a wide powerband in stock enginesSplit lift camshaft produces a solid powerband with top fuel soundCan be used with stock pushrods and...$459.95 -
Feuling Parts - 8080 - Hydraulic Tensioner Kit for Conversion Style Camshafts - Stock Replacement T/C '07-'17 | Dyna '06
Feuling
$399.95Feuling Parts - 8080 - Hydraulic Tensioner Kit for Conversion Style Camshafts - Stock Replacement T/C '07-'17 | Dyna '06FeaturesKit allows engine builders to update early style mechanical cam chain...$399.95 -
Feuling Parts - 2070 - Camshaft Installation Kit - Chain Drive
Feuling
$99.95Feuling Parts - 2070 - Camshaft Installation Kit - Chain DriveFeaturesEach kit includes cam plate roller bearings, Koyo Torrington® full roller inner needle bearings, 12-point ARP® camshaft and...$99.95 -
Hastings - 2M4805 - Piston Rings - 3.750" Standard - 96" Twin Cam
Hastings
$107.08Hastings - 2M4805 - Piston Rings - 3.750" Standard - 96" Twin CamFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceHelps in...$107.08 -
Eastern Motorcycle Parts - A-6506 - Flywheel Thrust Washers - Fits L1970-1999 Big Twin (except Twin Cam)
Eastern Motorcycle Parts
$35.95Eastern Motorcycle Parts - A-6506 - Flywheel Thrust WashersFeaturesReplacement-type made from top-quality bronze and designed to meet or exceed OEM specificationsMade in the U.S.A.Replacement Part...$35.95 -
Colony - 8143-34 - Studs - Motor Case - Big Twin
Colony Machine
$64.95Colony - 8143-34 - Studs - Motor Case - Big Twin Features Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Replacement Part for OEM Number(s):...$64.95 -
Cometic - C9624F - Cam Service Gasket Kit - EVO Big Twin
Cometic
$26.95Cometic - C9624F - Cam Service Gasket Kit - EVO Big TwinFeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers...$26.95 -
Cometic - C9147 - Top End Gasket - Twin Cam
Cometic
$159.95Cometic - C9147 - Top End Gasket - Twin CamFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$159.95 -
Cometic - C9148 - Complete Gasket Kit - 3.750” - '06-'17 Dyna
Cometic
$225.95Cometic - C9148 - Complete Gasket Kit - 3.750” - '06-'17 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$225.95 -
Cometic - C9743 - Head Gasket - 4.125" x .040" - 117 - '99-'13 Twin Cam
Cometic
$64.95Cometic - C9743 - Head Gasket - 4.125" x .040" - 117 - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep,...$64.95 -
Cometic - C9664 - Cam Change Gasket Kit - Twin Cam
Cometic
$77.95Cometic - C9664 - Cam Change Gasket Kit - Twin CamFeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers to do...$77.95 -
Cometic - C9890 - Motor Gasket Kit - Standard - EVO
Cometic
$170.95Cometic - C9890 - Motor Gasket Kit - Standard - EVOFeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$170.95 -
Cometic - C9891 - Motor Gasket Kit - Standard - EVO
Cometic
$197.95Cometic - C9891 - Motor Gasket Kit - Standard - EVOFeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$197.95 -
Andrews - 212030 - Cam - J Grind - Shovelhead
Andrews
$251.95Andrews - 212030 - Cam - J Grind - ShovelheadFeaturesMore mid-range and top-end power for street and drag bikes. These cams work with solid or hydraulic lifters, and the idle remains unaffected up to...$251.95 -
Accutronix - TFS125-P - Steering Stop - Adjustable - Chrome - Fits 2000-2017 Softail, 1999-2017 FXDWG; 1989-1999 Softail, 1993-1998 FXDWG and most 1960-1984 Big Twin (1991-1998 FXD/FXDWG, 1982-1994 FXR; repl. OEM #s 48300-60, 48315-60)
Accutronix
$80.95Accutronix - TFS125-P - Steering Stop - Adjustable - ChromeFeaturesMachined from billet aluminum, chrome finishMade in the U.S.ASpecs$80.95 -
James Gasket - Rocker Housing Gasket fits '99-'17 Twin Cam Models (OEM #16719-99A, 16719-99B)
James Gaskets
$29.95James Gasket - Rocker Housing Gasket fits '99-'17 Twin Cam Models (OEM #16719-99A, 16719-99B) Features: Strategically placed elastomer beading helps ensure a positive seal while our clear...$29.95 -
Jims - 933 Thread Chaser Tap Set
Jims
MSRP: $84.95$74.15Jims - 933 Thread Chaser Tap Set Features: An inexpensive way to clean up threads on frames or other parts that have been powder-coated or painted Includes coarse sizes; 1/4"-20, 5/16"-18,MSRP: $84.95$74.15 -
Custom Cycle Engineering - Adjustable Engine Mount fits '99-'17 Dyna Models (OEM #47226-93, 47226-99, 47226-90A)
Custom Cycle Engineering
$137.95Custom Cycle Engineering - Adjustable Engine Mount fits '99-'17 Dyna Models (OEM #47226-93, 47226-99, 47226-90A) Features: Replace stock front engine bracket with custom slotted bracket with...$137.95 -
Drag Specialties - Oil Filter Wrench for S&S Filters
Drag Specialties
$16.00Drag Specialties - Oil Filter Wrench for S&S Filters Features: 74 mm ID / 15 flute design - compatable with stepped S&S oil filters Stamped steel construction with a durable black finish$16.00 -
Drag Specialties - Oil Filter fits '17-'24 M-Eight (Standard Capacity), '99-'17 Twin Cam Models (OEM #63731-99A, 63798-99)
Drag Specialties
$10.45 - $12.55Drag Specialties - Oil Filter fits '17-'24 M-Eight (Standard Capacity), '99-'17 Twin Cam Models (OEM #63731-99A, 63798-99) Features: High-quality spin-on filters are a dependable...$10.45 - $12.55 -
Feuling - Billet Cam Chain Tensioner fits '17-'25 Harley M8 Model
Feuling
$79.95Feuling - Billet Cam Chain Tensioner fits '17-'25 Harley M8 Model Features: Tensioner housings are precision machined from billet 6061 aluminum, pads are injection-molded nylon with PTFE added to...$79.95 -
Colony - 9403-1 Cadmium Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models
Colony Machine
MSRP: $17.88$17.70Colony - 9403-1 Cadmium Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models Allen timing plug has a cadmium finish. Fitment: FXST 1984-1999 FXD 1991-1999 FXR 1982-1994 FLST...MSRP: $17.88$17.70 -
V-Twin - Ironhead Hardware Kit fits '57-'03 Sportster Model
V-Twin Mfg
$49.90V-Twin - Ironhead Hardware Kit fits '57-'03 Sportster Model Sportster hardware kit includes zinc plated hex bolts and nyloc nuts with a cadium hex type front motor mount kit. For installing 1957-1985...$49.90 -
Colony - Cylinder Base Nut Kit fits '78-'84 Big Twin Models (OEM #16838-78)
Colony Machine
$22.95Colony - Cylinder Base Nut Kit fits '78-'84 Big Twin Models (OEM #16838-78) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A.$22.95 -
Colony - Cylinder Base Nut Kit fits '48-'84 Big Twin Models
Colony Machine
$35.95Colony - Cylinder Base Nut Kit fits '48-'84 Big Twin Models Features: For use on specific applications Made in the U.S.A. Fitment$35.95
V-Twin - Chrome Top Engine Mount Stabilizer fits '05-'17 Dyna Models
V-Twin Mfg
$174.58V-Twin - Chrome Top Engine Mount Stabilizer fits '05-'17 Dyna Models V-Twin's Chrome Finish Top Motor Mount Stabilizer Kit comes with adjustable stabilizer links and all necessary hardware to ensure...$174.5810% OFF
Arlen Ness - 10-Gauge Cam Cover fits '17-'22 M8 Models
Arlen Ness
$296.96 - $329.95Arlen Ness - 10-Gauge Cam Cover fits '17-'22 M8 Models This gauge cover is available in your choice of a chrome, black anodized w/ machined accents, titanium anodized or black anodized finish...$296.96 - $329.95
James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '91-'03 Sportster Models
James Gaskets
$91.95James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '91-'03 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and...$91.95
S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock cylinder...$1,287.95
About Engine
Harley Engine Parts for Rebuilds and Performance
From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.
Shop Engine Parts
- Camshafts
- Big bore kits
- Cylinders
- Heads
- Pushrods
- Lifters
- Rockers
- Gaskets & seals
- Oil pumps
- Oil filters
- Motor mounts
- Engine covers
We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.
Not Sure It Fits?
Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.