Engine
8832 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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S&S Cycle - Super Stock™ Single Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders
S&S Cycle
$1,895.95S&S Cycle - Super Stock™ Single Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders Heads come completely assembled with valve seats, valves, guides, seals, .590"...$1,895.95 -
S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models (.585" Lift)
S&S Cycle
$1,795.95S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models (.585" Lift) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent...$1,795.95 -
S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat
S&S Cycle
$1,553.95S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat Great news: S&S heads are now available to be used with stock-style flat-top...$1,553.95 -
S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Natural
S&S Cycle
$1,468.95S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Natural Great news: S&S heads are now available to be used with stock-style flat-top pistons!...$1,468.95 -
Hofmann Designs - H/D Billet Timer Cover - Raw fits M8 Model
Hofmann Designs
$65.95Hofmann Designs - H/D Billet Timer Cover - Raw fits M8 Model Features: Machined in the USA from 6061 Aluminum Your choice of black anodized or raw Comes with stainless steel...$65.95 -
S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models
S&S Cycle
$122.95S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models This rocker arm stud kit lengthens the life of your cylinder heads AND helps prevent damage to the rocker arm towers! You can re-torque the...$122.95 -
S&S Cycle - Hooligan Kits fits '00-'20 XL Models
S&S Cycle
MSRP: $1,999.95$1,822.95S&S Cycle - Hooligan Kits fits '00-'20 XL Models S&S Cycle's Hooligan Kits are bolt on big-bore kits that provide easy installation without any machining or rebalancing. The cams are .482" lift and...MSRP: $1,999.95$1,822.95 -
S&S Cycle - 124" Hot Setup Kits - Fits 2007-2017 Twin Cam 96/103/110A and 06 Dyna
S&S Cycle
$7,104.95S&S Cycle - 124" Hot Setup Kits Are you a Twin Cam owner? Would you like to convert your stock engine to 124"? Then the S&S Hot Setup kit for Twin Cams is for you! The kit comes to you in a black...$7,104.95 -
S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas)
S&S Cycle
$3,396.95S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas) S&S Cycle has created the largest big-bore kits available today, without doing crankcase mods! This kit increases...$3,396.95 -
S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models
S&S Cycle
MSRP: $1,846.95$1,721.95S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish...MSRP: $1,846.95$1,721.95 -
S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Touring Models
S&S Cycle
MSRP: $1,864.95$1,721.95S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish...MSRP: $1,864.95$1,721.95 -
10% OFF
Arlen Ness - 10-Gauge Pushrod Tube Kits for '99-'17 Twin Cam Engines
Arlen Ness
Now: $206.96Was: $229.95Arlen Ness - 10-Gauge Pushrod Tube Kits for '99-'17 Twin Cam Engines The Arlen Ness 10-Gauge Pushrod Tube Kits are built from 6061-T6 billet aluminum and are sold in a set of four. Available in your...Now: $206.96Was: $229.95 -
Feuling - 12-Point Black Oxide Internal Engine Fastener Kit for '17-'25 M8 Softail
Feuling
$279.95Feuling - 12-Point Black Oxide Internal Engine Fastener Kit for '17-'25 M8 Softail Reduce the stress on your M8 cylinder heads with the help of this Internal Engine Fastener Kit. A stud transfers...$279.95 -
Feuling - HP+® One-Piece Pushrods for '17-Up M8 Softail
Feuling
$179.95Feuling - HP+® One-Piece Pushrods for '17-Up M8 Softail Features Feuling highly recommends using one-piece pushrods instead of adjustable pushrods to maintain maximum cam/valve lift and reduce...$179.95 -
Feuling - 465 HP+ Chain Drive Camshaft Kit for '17-Up M8
Feuling
$529.95Feuling - 465 HP+ Chain Drive Camshaft Kit for '17-Up M8 NOTE: Feuling highly recommends purchasing parts #0928-0091 and 2401-0994 when buying this Camchest kit in order to ensure optimum...$529.95 -
S&S Cycle - Chain-Drive Camchest Kits W/ 510C Standard Cams for '99-'06 Twin Cam (Except '06 Dyna)
S&S Cycle
MSRP: $2,060.95$1,924.95S&S Cycle - Chain-Drive Camchest Kits W/ 510C Standard Cams for '99-'06 Twin Cam (Except '06 Dyna) Features Upgrade to S&S bolt-in performance chain-drive or gear-drive camshafts Improves engine...MSRP: $2,060.95$1,924.95 -
S&S Cycle - Chain-Drive Camchest Kits W/ 585C Standard Cams for '07-'17 Twin Cam, '06 Dyna
S&S Cycle
MSRP: $2,060.95$1,924.95S&S Cycle - Chain-Drive Camchest Kits W/ 585C Standard Cams for '07-'17 Twin Cam, '06 Dyna Features Upgrade to S&S bolt-in performance chain-drive or gear-drive camshafts Improves engine...MSRP: $2,060.95$1,924.95 -
S&S Cycle - Chain-Drive Camchest Kits W/ 585CE Easy Start Cams for '99-'06 Twin Cam (Except '06 Dyna)
S&S Cycle
MSRP: $2,225.95$2,025.95S&S Cycle - Chain-Drive Camchest Kits W/ 585CE Easy Start Cams for '99-'06 Twin Cam (Except '06 Dyna) NOTE: Part # 0925-1108 requires the use of high-lift valve springs (See "Also Bought" tab)...MSRP: $2,225.95$2,025.95 -
S&S Cycle - Gear-Drive Camchest Kits W/ 509G Standard Cams for '99-'06 Twin Cam (Except '06 Dyna)
S&S Cycle
$2,029.95S&S Cycle - Gear-Drive Camchest Kits W/ 509G Standard Cams for '99-'06 Twin Cam (Except '06 Dyna) Features Upgrade to S&S bolt-in performance chain-drive or gear-drive camshafts Improves engine...$2,029.95 -
S&S Cycle - Gear-Drive Camchest Kits W/ 585GE Easy Start Cams for '99-'17 Twin Cam
S&S Cycle
$2,259.95S&S Cycle - Gear-Drive Camchest Kits W/ 585GE Easy Start Cams for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For '07-'17 Twin Cam and '06 Dyna, or (2) For '99-'06...$2,259.95 -
S&S Cycle - Gear-Drive Camchest Kits W/ 551GE Easy Start Cams for '99-'17 Twin Cam
S&S Cycle
$2,259.95S&S Cycle - Gear-Drive Camchest Kits W/ 551GE Easy Start Cams for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For '07-'17 Twin Cam and '06 Dyna, or (2) For '99-'06...$2,259.95 -
S&S Cycle - Gear-Drive Camchest Kits W/ 510G Standard Cams for '99-'17 Twin Cam
S&S Cycle
$2,029.95 - $2,259.95S&S Cycle - Gear-Drive Camchest Kits W/ 510G Standard Cams for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For '07-'17 Twin Cam and '06 Dyna, or (2) For '99-'06...$2,029.95 - $2,259.95 -
Feuling - OE+ 574 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,839.95Feuling - OE+ 574 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide) Features Feuling® complete camchest kits include all necessary components from top to...$1,839.95 -
S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'21 Twin-Cooled M8 Models
S&S Cycle
$1,924.95S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'20 Twin-Cooled M8 Models Features Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs...$1,924.95 -
S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Twin-Cooled M8 Models
S&S Cycle
$1,924.95S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled M8 Models Features Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain...$1,924.95 -
Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model
Feuling
$609.95Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model Features Machined from a premium grade Hi-tensile...$609.95 -
Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model
Feuling
$609.95Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model Features Made from premium stress-relieved conical ovate wire Feature...$609.95 -
Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors
$1,795.95Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler...$1,795.95 -
Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors
$1,795.95Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler...$1,795.95 -
Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models (Choose Finish)
Rough Crafts
$359.95Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models These Grooved Cam Covers come complete with all of the necessary mounting hardware for a quick and easy installation. Available in...$359.95 -
Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models (Choose Finish)
Rough Crafts
$699.95 - $769.95Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models These Grooved Rocker Box Covers come complete with all of the necessary mounting hardware for a quick and easy installation...$699.95 - $769.95 -
S&S Cycle - Roller Rocker Arms fits '17-'25 M8 Softail Models
S&S Cycle
$674.95S&S Cycle - Roller Rocker Arms fits '17-'25 M8 Softail Models Features Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long...$674.95 -
Colony Machine - Engine Bolt Kits fits '17-'21 Touring Models
Colony Machine
$243.95Colony Machine - Engine Bolt Kits fits '17-'20 Touring Models The Colony Machine Engine Bolt Kit is a fully equipped, chrome plated kit that is 100% manufactured in the U.S.A. Colony Machine is a...$243.95 -
Performance Machine - Rocker Box Covers fits '17-'21 M-Eight
Performance Machine
$1,026.95Performance Machine - Rocker Box Covers fits '17-'20 M-Eight These Rocker Box Covers were created to be designed the way that best fits your bike's style. They are available in chrome, contrast cut...$1,026.95 -
Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL)
Roland Sands Design
$571.95Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL) Features Allows for viewing of the internal moving engine components CNC-machined from...$571.95 -
Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up
$319.95Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up Description: Produce more power and torque in the riding rpm range, improving throttle response, acceleration and fuel...$319.95 -
Paughco - Rear Heat Shield for Drag Pipes DBC-2620
Paughco
$139.95Paughco Rear Heat Shield for Drag Pipes (DBC-2620) This heat shield is made for use with the Paughco Drag Pipes Fits Harley 70-84 FX Models w/ Swingarm Frame (DBC-2620).$139.95 -
Paughco - Rear Heat Shield for FX Models
Paughco
$139.95Paughco Front Heat Shield This heat shield is made for use with various Paughco brand exhaust systems.$139.95 -
Paughco - Rear Heat Shield
Paughco
$139.95Paughco Rear Heat Shield This heat shield is made for use with various Paughco brand exhaust systems.$139.95 -
S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine
S&S Cycle
$458.95 - $465.95S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine This replacement camshaft kit includes all required bearings, o-rings, gasket, and hardware. Features: 350 CAMS No Tuning...$458.95 - $465.95
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.