Engine
2241 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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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 Gaskets - JGI-17042-92-X - Metal Base & Rocker Box Gasket Kit - Fits 1992-1999 Evo Big Twin
James Gaskets
$86.95James Gaskets Metal Base & Rocker Box Gasket Kit for 1992-1999 Evo Big Twin Fits: 1992-1999 Evo Big Twin. Full year/model list is on the Fitment tab. Rubber-covered metal rocker base gaskets, rubber...$86.95 -
James Gaskets - JGI-27002-89 - Carburetor to Intake Manifold Seal - Fits 1988-2006 Sportster & 1990-2006 Big Twin
James Gaskets
$11.95James Gaskets Carburetor to Intake Manifold Seal for 1988-2006 Sportster & 1990-2006 Big Twin Fits: 1988-2006 XL/Buell and 1990-2006 Big Twin with the Keihin CV carb. Full year/model list is on the...$11.95 -
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 -
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 -
S&S Cycle - Adjustable Pushrods fits '99-'17 Twin Cam Models
S&S Cycle
MSRP: $174.95$152.95S&S Cycle - Adjustable Pushrods fits '99-'17 Twin Cam Models Features: .4375" diameter chromoly steel for maximum strength Rocker boxes must be removed for installation or removalMSRP: $174.95$152.95 -
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 -
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 - Motor Case Stud Kit fits '70-'78 Shovelhead Model (OEM #24806-36, 24815-40) - Cadmium
Colony Machine
$57.95Colony - Motor Case Kit fits '70-'78 Shovelhead Model (OEM #24806-36, 24815-40) - Cadmium Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A.$57.95 -
Colony - Cylinder Base Stud Set fits '30-'77 Big Twin Models (OEM #16831-30)
Colony Machine
$39.95Colony - Cylinder Base Stud Set fits '30-'77 Big Twin Models (OEM #16831-30) Features: Heat-treated for strength and durability Equal or surpass original equipment$39.95 -
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$35.9510% 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
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
S&S Cycle - Silver 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines
S&S Cycle
MSRP: $1,594.95$1,540.95S&S Cycle - Silver 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into...MSRP: $1,594.95$1,540.95
Old-STF Cycle - Stainless/Black Rocker Box Split Oil Line fits '66-'84 Shovelhead
Old-STF Cycle
$99.95Old-STF Cycle - Stainless/Black Rocker Box Split Oil Line fits '66-'84 Shovelhead The Old-STF Cycle Stainless/Black Rocker Box Split Oil Line is a high-quality kit that is designed to fit S$99.95
Alloy Art - Gooden-Tite Swing Arm Bushings fits '11-'23 Touring and M8 Softail Models
Alloy Art
$69.95Alloy Art - Gooden-Tite Swing Arm Bushings fits '11-'23 Touring and M8 Softail Models These swing arm bushings significantly decrease motor flop and movement while still dampening vibration...$69.95
S&S - Tappet Cuffs, Black - Fits 17-18 Touring, 18-Up Softail Models with M8 Powerplant
S&S Cycle
MSRP: $84.95$79.95S&S Tappet Cuffs for Harley-Davidson 2017-2018 Touring Models with M8 Powerplant, 2018-Up Softail with M8 Powerplant Features: Hard anodized black coating Billet aluminum construction Stronger...MSRP: $84.95$79.95
Thrashin Supply - Dished Points Covers fits '17-'25 FLHRXS, '24 FLHTK/FLTRK, '17-'23 FLHT/FLHR/FLHX/FLTR (Except '23 FLHXSE/FLTRXSE), '17-'25 H-D FL Trike, '18-'24 Softail Models
Thrashin Supply
$64.95Thrashin Supply - Dished Points Covers fits '17-'25 FLHRXS, '24 FLHTK/FLTRK, '17-'23 FLHT/FLHR/FLHX/FLTR (Except '23 FLHXSE/FLTRXSE), '17-'25 H-D FL Trike, '18-'24 Softail Models Available in...$64.95
Rocker Lockers - Top End Noise Reduction Kit fits Twin Cam Models W/ Aftermarket Support Plates
Rocker Lockers
$29.99Rocker Lockers - Top End Noise Reduction Kit fits Twin Cam Models W/ Aftermarket Support Plates Want to get rid of that top end ticking noise in your motor? This is exactly what you're looking for!...$29.99
Drag Specialties - Cam Covers - Fits '93-'99 Evo Big Twin, '73-'92 Big Twin
Drag Specialties
$256.47 - $285.09Drag Specialties - Cam Covers - Fits '93-'99 Evo Big Twin, '73-'92 Big Twin Drag has developed these cam covers out of durable, die-cast aluminum. They come in satin or gloss black and are super...$256.47 - $285.09
Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Allen
Colony Machine
$23.95Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Allen Colony Machine Rocker box screw set, Chrome Allen style. Fits: 2000 Harley-Davidson FXR 4 - -$23.95
Drag Specialties - Spherical Radius Points Cover fits '17-'21 M8 Softail Models
Drag Specialties
$28.57Drag Specialties - Spherical Radius Points Cover fits '17-'21 M8 Softail Models Available in your choice of a chrome, flat black or wrinkle black finish. Features Beautiful radiused points cover...$28.57
S&S Cycle - Precision Tappets fits '17 -Up M8, '99 -'17 Twin Cam, '00-'20 Sportster Models
S&S Cycle
$291.01S&S Cycle - Precision Tappets fits '17 -'20 M8, '99 -'17 Twin Cam, '00-'20 Sportster Models These precision tappets feature an all-new and improved design and are sold as a set of four...$291.01
Kibblewhite Precision Machining - Rocker Arm Bushing - fits '84-'99 Evo Big Twin, '86-'14 Evo Sportster, '66-'83 Shovelhead
Kibblewhite
$33.95The Kibblewhite Precision Machining Rocker Arm Bushing: Bronze rocker bushing material meets the high standards KPMI set for success KPMI tested and analyzed several bearing-bronze materials for...$33.95
S&S Cycle - Oil Control Valve fits '17-'23 M-Eight Models
S&S Cycle
$50.95S&S Cycle - Oil Control Valve fits '17-'23 M-Eight Models Features: The factory oil control valve on all oil cooled M8 engines regulates the amount of oil flowing to the oil cooler/heads The...$50.95
S&S Cycle - Rocker Arm Shafts fits '17-'25 M8 Models (Repl. OEM #17300059B)
S&S Cycle
$179.95S&S Cycle - Rocker Arm Shafts fits '17-'25 M8 Models (Repl. OEM #17300059B) These rocker arm shafts are built with bearing-quality steel and precision-centerless ground for the perfect fit. They are...$179.95
S&S Headbolt Kit - fits '17-'18 M8
S&S Cycle
$224.95S&S Headbolt Kit - fits '17-'18 M8 Features: Made from heat-treated 8640 steel 200,000 psi ultimate tensile strength Stronger than the stock bolts Durable black oxide coating Formed...$224.95
S&S - Chain Drive Camshaft - Fits Harley Davidson '17-Up M8 Models with M8 Engine
S&S Cycle
$299.95S&S - Chain Drive Camshaft - Fits Harley Davidson '17-Up M8 Models with M8 Engine This replacement camshaft kit includes all required bearings, o-rings, gasket, and hardware. Features: 465...$299.95
James Gaskets - Gasket Rocker Cover Kit - fits '99-Up Twin Cams
James Gaskets
$85.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '99-Up Twin Cam Models$85.95
Joker Machine - Points Cover - Fits '99-'16 Twin Cam
Joker Machine
$72.95 - $78.95The Joker Machine Points Covers are chrome-plated or anodized billet aluminum finish Mounting screws included Made in the USA$72.95 - $78.95
Colony - 9644-2 Chrome OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80)
Colony Machine
$10.95Colony - 9644-2 Chrome OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80) Features: Made in the U.S.A. Fitment<$10.95
V-Twin - Rocker Box Set fits '99-'17 Twin Cam Models
V-Twin Mfg
$425.07 - $435.28V-Twin - Rocker Box Set fits '99-'17 Twin Cam Models This set comes with two upper covers and two lower housings. Available in your choice of a black or chrome finish. Fitment FLT 1999-2016FLST...$425.07 - $435.28
S&S Pushrod Tubes - fits '17-'21 M-Eight & '99-'17 Twin Cam
S&S Cycle
$203.95S&S Pushrod Tubes - fits '17-'21 M-Eight & '99-'17 Twin Cam Features: Stylish Black pushrod tubes enhance the look of your engine Great match for the Black engine covers offered on some new HD...$203.95
Joker Machine - Black Points Cover - fits '70-'99 Big Twin - Finned
Joker Machine
$72.95Joker Machine Points Cover fits '70-'99 Big Twin Finned, Black This Joker Machine finned points cover is made from durable aluminum. It includes all necessary hardware making the mounting process...$72.95
Feuling - Lifter Block, Cam Cover & Oil Filter Adapter Dress Up Fastener Sensor Kit fits '99-'17 Twin Cam Models (22 Pieces)
Feuling
$99.95Feuling - Lifter Block, Cam Cover & Oil Filter Adapter Dress Up Fastener Sensor Kit fits '99-'17 Twin Cam Models This kit features precision-rolled threads for the utmost engagement in order to stop...$99.95
Feuling - 12-Point Rocker Box Engine Fastener Kit fits '01-'16 Touring, '02-'17 Softail and '01-'17 Dyna Models
Feuling
$149.95Feuling - 12-Point Rocker Box Engine Fastener Kit fits '01-'16 Touring, '02-'17 Softail and '01-'17 Dyna Models This kit comes with rocker supports, breathers, rocker housings and moly lube (qty...$149.95
Slyfox - Gloss Cabon Fiber Timing Cover fits '17-'21 M8 Softail Models
Slyfox
$64.95Slyfox - Gloss Cabon Fiber Timing Cover fits '17-'21 M8 Softail Models This Slyfox timing cover is a replacement for the stock timing cover and comes in a sleek gloss carbon finish...$64.95
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.