Engine
2332 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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Drag Specialties - Cam Cover fits '73-'92 Big Twin Models
Drag Specialties
$274.49 - $304.17Drag Specialties - Cam Cover fits '73-'92 Big Twin Models The bushings on this cam cover are installed, pinned and reamed to OEM specifications. Available in your choice of a satin black or chrome...$274.49 - $304.17 -
10% OFF
Arlen Ness - 10-Gauge Cam Cover fits '01-'17 Twin Cam Models W/O Cam Position Sensor
Arlen Ness
Now: $269.96Was: $299.95Arlen Ness - 10-Gauge Cam Cover fits '01-'17 Twin Cam Models W/O Cam Position Sensor This gauge cover is available in your choice of a chrome, black anodized w/ machined accents, titanium anodized or...Now: $269.96Was: $299.95 -
Joker Machine - Points Cover fits '70-'99 Big Twin (Exc. Twin Cam Models) & '04-'22 Sportster Models (Exc. '21-'22 Sportster S/RH 1250S Models) - Chrome
Joker Machine
$78.95Joker Machine - Points Cover fits '70-'99 Big Twin (Exc. Twin Cam Models) & '04-'22 Sportster Models (Exc. '21-'22 Sportster S/RH 1250S Models) - Chrome This point cover comes in a chrome-plated...$78.95 -
10% OFF
Arlen Ness - 10-Gauge Points Cover fits '99-'17 Twin Cam Models (Choose Color)
Arlen Ness
$53.96 - $62.96Arlen Ness - 10-Gauge Points Cover fits '99-'17 Twin Cam Models These covers are machined from 6061-T6 billet aluminum and are available in seven different colors: Chrome, Black Anodized, Blue...$53.96 - $62.96 -
Drag Specialties - Cam Chain Tensioner Kit fits '07-'17 Twin Cam & '06 Dyna Models (Repl. OEM #S 39968-06/39969-06)
Drag Specialties
$94.29Drag Specialties - Cam Chain Tensioner Kit fits '07-'17 Twin Cam & '06 Dyna Models (Repl. OEM #S 39968-06/39969-06) Features Stock replacement hydraulic cam chain tensioners Sold as a...$94.29 -
Feuling - Headbolt Kit fits '99-'17 Twin Cam and '92-'22 Sportster Models (exc. '21-'22 Sportster S/RH1250S, 22 Nightster/RH975)
Feuling
$299.95Feuling - Headbolt Kit fits '99-'17 Twin Cam and '92-'22 Sportster Models (exc. '21-'22 Sportster S/RH1250S, 22 Nightster/RH975) This kit features wide underhead flange bolts and hardened chamfered...$299.95 -
Feuling - Rocker Shaft Kit fits '17-'22 M8 Touring & '18-'22 Softail Models
Feuling
$329.95Feuling - Rocker Shaft Kit fits '17-'22 M8 Touring & '18-'22 Softail Models Fueling's Rocker Shaft Kits feature custom tooling that's built to deliver a countersink relief for the bolt/nut head as...$329.95 -
Performance Machine - Black Ops Race Series Cam Cover '17-'23 Harley M8 Models
Performance Machine
$362.95Performance Machine - Black Ops Race Series Cam Cover '17-'23 Harley M8 Models Features: CNC machined from billet aluminium Dissipates heat more efficiently vs. stock covers$362.95 -
S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake
S&S Cycle
$1,723.95S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake Complete kits also include rocker cover gaskets, head gaskets and miscellaneous hardware with...$1,723.95 -
S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake
S&S Cycle
$1,723.95S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake This Cylinder Head Kit uses a band-style intake (not included). Sold in pairs, built with...$1,723.95 -
S&S Cycle - TC3 Oil Pump- fits '07-'17 Twin Cam & '06 Dyna Models
S&S Cycle
MSRP: $499.95$495.95S&S Cycle - TC3 Oil Pump- fits '07-'17 Twin Cam & '06 Dyna Models Features: Three stages for consistent pressure and reliable scavenging SeparaMSRP: $499.95$495.95 -
S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '99-'06 Twin Cam (Exc. '06 Dyna)
S&S Cycle
$836.95S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '99-'06 Twin Cam (Exc. '06 Dyna) Features: Precision CNC machined forged aluminum Incre$836.95 -
S&S Cycle - Billet Cam Plate fits '17-'21 Harley M8 Models
S&S Cycle
MSRP: $406.95$395.95S&S Cycle - Billet Cam Plate fits '17-'21 Harley M8 Models Features: Precision machined from billet aluminum Blue anodized finishMSRP: $406.95$395.95 -
S&S Cycle - Aluminum Hydraulic Cam Chain Tensioners Kit - fits '07-'17 Twin Cam, '06 Dyna
S&S Cycle
$175.95S&S Cycle - Aluminum Hydraulic Cam Chain Tensioners Kit - fits '07-'17 Twin Cam, '06 Dyna Features: For use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade cam...$175.95 -
Performance Machine - Vision Cam Covers - fits '17-Up M8 Models
Performance Machine
$519.95 - $571.95Performance Machine - Vision Cam Covers - fits '17-Up M8 Softail Models The Vision Cam Covers from Performance Machine feature a special polycarbonate lens for a glimpse inside the machine!...$519.95 - $571.95 -
Drag Specialties - Chrome Tappet Block Cover fits '17 & Up Harley M8 Model Repl. OEM #25700410/25700411
Drag Specialties
$109.13Drag Specialties - Chrome Tappet Block Cover fits '17 & Up Harley M8 Model Repl. OEM #25700410/25700411 Features Made from die-cast aluminum Includes gaskets and screws$109.13 -
S&S Cycle - Chain-Drive Camchest Kits W/ 551CE Easy Start Cams for '99-'17 Twin Cam
S&S Cycle
MSRP: $2,225.95$2,025.95S&S Cycle - Chain-Drive Camchest Kits W/ 551CE 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...MSRP: $2,225.95$2,025.95 -
Feuling - 574 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,939.95Feuling - 574 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide) NOTE: Conversion camshafts for '99-'06 Twin Cam engines use the '99-'06 inner cam journals with...$1,939.95 -
Feuling - OE+ 543 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,839.95Feuling - OE+ 543 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 -
Feuling - Race Series® 465 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
$1,979.95Feuling - Race Series® 465 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...$1,979.95 -
Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models
Colony Machine
$28.95Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models The Colony Machine Motor Mount Bolt Covers have a smooth finish and are 100% manufactured in the U.S.A. Colony Machine is one of...$28.95 -
Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight
Roland Sands Design
$571.95Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight Features: Allows for viewing of the internal moving engine components CNC-machined from billet aluminum Hardware included Contrast...$571.95 -
S&S Pushrod Tube Keepers - fits '17-'19 M-Eight
S&S Cycle
$40.95S&S Pushrod Tube Keepers - fits '17-'19 M-Eight Features: For use in custom applications where stock keepers won't fit. Chromed steel finish Sold in kits of four assemblies; enough for one...$40.95 -
Trask Assault Series Cam Covers - fits '01-'17 Twin Cam w/o Cam Position Sensor
Trask Performance
$429.95Trask Assault Series Cam Covers - fits '01-'17 Twin Cam w/o Cam Position Sensor Available in Chrome, Gloss Black, and Raw Machined. Features: Transparent for viewing internal engine...$429.95 -
Feuling - Dress Up Fastener Kit - fits '18 Softail
$199.95Feuling Dress Up Fastener Kit for 2018 Harley Softail This Chassis Dress-up Kit includes rear fender bracket, battery box side cover, shifter linkage, shifter arm w/nut and washer, and rear brake...$199.95 -
James Gaskets - Oil Pump Seal Kit w/ Metal Gaskets - fits '92-'99 Evolution
James Gaskets
$18.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '92-'99 Evolution$18.95 -
James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams
James Gaskets
$78.95James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams This Genuine James kit comes with matching head and base gaskets and O-Rings where applicable. Made in the U.S.A...$78.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '99-'04
James Gaskets
$163.95James 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-'04 Twin Cam Models$163.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '05-Up
James Gaskets
$163.95James 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: '05-UP Twin Cam Models$163.95 -
On Sale
Feuling - Oil Pumps - fits '07-'15 Twin Cam (inc. '06 Dyna)
MSRP: $507.95Now: $499.99Was: $507.95Fueling Oil Pumps : 7075 billet aluminum with military spec hard anodized, blue printed and designed for the racer The 7075 alloy is 50% harder and stronger then 6061 aluminum and holds tighter...MSRP: $507.95Now: $499.99Was: $507.95 -
On Sale
Feuling - Fast Install Push Rods - fits '85-'99 Evo Big Twin
MSRP: $259.95Now: $239.99Was: $259.95Feuling - Fast Install Push Rods - fits '85-'99 Evo Big Twin Adjustable pushrods have a slightly shorter tapered tube and comes dissassembled allowing to install the pushrods without removing the...MSRP: $259.95Now: $239.99Was: $259.95 -
Spectro - 311476 - Full Oil Service Kit Twin Cam Synthetic - Fits 1999-2017 Harley-Davidson Twin Cam
Spectro Oils
$125.00Spectro - 311476 - Full Oil Service Kit Twin Cam Synthetic - Fits 1999-2017 Harley-Davidson Twin CamDescriptionFull service kit for Twin Cam Big Twins: engine oil, primary oil, transmission oil, a...$125.00 -
Spectro - 311477 - Full Oil Service Kit Evo Premium - Fits 1984-1999 Harley-Davidson Evo Big Twin
Spectro Oils
$102.50Spectro - 311477 - Full Oil Service Kit Evo Premium - Fits 1984-1999 Harley-Davidson Evo Big TwinDescriptionFull service kit for Evo Big Twins using Spectro's petroleum Premium line: engine oil,...$102.50 -
V-Twin - 42-1250 - Black Wrinkle Cam Cover w/o Sensor Hole - Fits 2001-2017 Harley-Davidson Twin Cam FXD/FLT/FXST/FLST
V-Twin Mfg
$179.59V-Twin - 42-1250 - Black Wrinkle Cam Cover w/o Sensor Hole - Fits 2001-2017 Harley-Davidson Twin Cam FXD/FLT/FXST/FLSTDescriptionCam cover without sensor hole features a wrinkle black finish...$179.59 -
Drag Specialties - 224376 - Full Synthetic 20W-50 Oil Change Kit - Chrome Filter - Fits Evo Big Twin & Sportster
Drag Specialties
$123.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Evo Big Twin & Sportster — Chrome Filter Fits: Harley-Davidson Evolution Big Twins (1984-1999 Softail, Dyna, FXR, Touring) and 1986-up...$123.95 -
Drag Specialties - 224377 - Full Synthetic 20W-50 Oil Change Kit - Black Filter - Fits Evo Big Twin & Sportster
Drag Specialties
$123.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Evo Big Twin & Sportster — Black Filter Fits: Harley-Davidson Evolution Big Twins (1984-1999 Softail, Dyna, FXR, Touring) and 1986-up Evolution...$123.95 -
Drag Specialties - 224379 - Full Synthetic 20W-50 Oil Change Kit - Black Filter - Fits Twin Cam
Drag Specialties
$128.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Twin Cam — Black Filter Fits: 1999-2017 Harley-Davidson Twin Cam (Softail, Dyna, Touring, Trike). 4 quarts. Everything for the engine oil...$128.95 -
Drag Specialties - 224378 - Full Synthetic 20W-50 Oil Change Kit - Chrome Filter - Fits Twin Cam
Drag Specialties
$132.95Drag Specialties Full Synthetic 20W-50 Oil Change Kit — Twin Cam — Chrome Filter Fits: 1999-2017 Harley-Davidson Twin Cam (Softail, Dyna, Touring, Trike). 4 quarts. Everything for the engine oil...$132.95 -
S&S Cycle - 310-1395A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,294.95S&S Cycle - 310-1395A - Power Pack - Oil Cooled - 496 Chain Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases 107" M8 to 129" with no case machining requiredS&S oil...$3,294.95 -
S&S Cycle - 310-1393A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8
S&S Cycle
$3,497.95S&S Cycle - 310-1393A - Power Package - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8FeaturesBig bore bolt-on kit increases your 114"/117" with 4.50" stroke M8 to 132" with no case...$3,497.95
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.