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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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 -
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 -
S&S Cycle - Wrinkle Black XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models
S&S Cycle
$1,128.95S&S Cycle - Wrinkle Black XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models This conversion kit installs in no time at all since the pistons are already fit to the cylinders, making them...$1,128.95 -
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 -
Drag Specialties - XL Engine Mount Plates - Fits '86-'03 Sportster Models
Drag Specialties
$90.05Drag Specialties XL Engine Mount Plates These engine mount plates fir Harley Davidson 1986-2003 Sportster XL models, EXCEPT 883C/1200C Models. This part replaces OEM parts 16210-84A, 16212-84A...$90.05 -
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 Cycle - Piston Cooling Jet Kit fits '17-'25 M8 Models
S&S Cycle
$119.95S&S Cycle - Piston Cooling Jet Kit fits '17-'25 M8 Models The S&S Cycle Piston Cooling Jet Kit is built with patent-pending dual spray technology for uniform piston cooling. There are revised spray...$119.95 -
Drag Specialties - Isolator Rear Motor Mount - Fits '91-'98 FXD
Drag Specialties
$204.53The Drag Specialties Insolator Motor Mounts are top quality. Easily replace using OEM hardware. These motor mounts meet or exceed OEM specifications. Sold Each$204.53 -
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 -
Drag Specialties - Rear Isolator Mount Kit - Fits '04-'13 Harley XL Sportster Models
Drag Specialties
$217.25Drag Specialties Front Isolator Mount Kits Fits '04-'13 Harley Davidson XL Sportster Models Features: Kit includes all parts needed to replace rear isolator mounts Rear kits PART #0933-0118 include...$217.25 -
Kodlin - Bronze Rear Engine Guards fits '18-'25 M8 Softail Models
Kodlin
$299.99Kodlin - Bronze Rear Engine Guards fits '18-'25 M8 Softail Models These black rear engine guards are built from steel and come with an oil cover and black crash pads. NOTE: Does not fit with stock...$299.99 -
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 -
Drag Specialties - Rocker Box Kit - Fits '86-'03 XL Sportster Models
Drag Specialties
$364.59Drag Specialties Rocker Box Kit Fits '86-'03 XL Sportster Models With the Drag Rocker Box Kit you will have a perfect leakproof fit for your Sportster. Available in Chrome. Sold Each...$364.59 -
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 - Top Motor Mount - Fits '95-'03 Harley XL Sportster Models
Drag Specialties
$90.05Drag Specialties Top Motor Mounts Top Motor Mount for your Harley Sportster by Drag Specialties. Available in Chrome Features: High-quality, chrome motor mount Bolts not included unless...$90.05 -
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 -
HardDrive - Shock Type Engine Stabalizer Link - fits FXR, FLT, and Dyna (see desc.)
HardDrive
$175.46The HardDrive Stabilizer Link: Replaces front and top mount on FLT and FXR applications Replaces top mount on Dynas Chrome finish Sold each Fitment: '84-'08 FXR, FLT (front and top mount)...$175.46 -
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 -
Original Garage - Points Cover fits '17-Up Milwaukee 8 Engines
Original Garage Moto
$45.95 - $53.95Original Garage - Points Cover fits '17-Up Milwaukee 8 Engines Add a nice touch to your ride by changing your stock Timing Cover. Features: Made of 6061 T6 Billet Aluminum Available in all Hard...$45.95 - $53.95 -
Drag Specialties - M-Eight Engine Bolt Kits
Drag Specialties
$13.99 - $97.15Drag Specialties M-Eight Engine Bolt Kits These bolt kits by Drag Specialties fit 2017-2018 M-Eight Models, be sure to check your fitment before making your purchase. The kits available are the...$13.99 - $97.15 -
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 -
Custom Cycle Engineering - Top Stabilizer Link - fits '04-'17 Harley Dyna
Custom Cycle Engineering
$391.95Custom Cycle Engineering - Top Stabilizer Link - fits '04-'17 Harley Dyna Does your Dyna vibrate on the highway? The Custom Cycles Top Stabilizer is just what you need. This reduces engine vibration...$391.95 -
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 -
Drag Specialties - Oil Pressure Sensor fits '99-'16 Touring Models (OEM #74438-99A)
Drag Specialties
$67.79Drag Specialties - Oil Pressure Sensor fits '99-'16 Touring Models (OEM #74438-99A) Features: Accurate reproduction of the OEM sending unit Precision calibrated$67.79 -
On Sale
Colony - Rocker Arm Shaft Acorn Nut and Washer Kit - fits Harley FL, FX, and XL ( see desc.)
Colony Machine
MSRP: $19.26Now: $16.99Was: $19.06Colony - Rocker Arm Shaft Acorn Nut and Washer Kit - fits Harley FL, FX, and XL ( see desc.) Rocker arm shaft chrome acorn nut and washer kit. Fits: FL 1966-1984 FX 1971-1984 FLT...MSRP: $19.26Now: $16.99Was: $19.06 -
V-Twin - Cam Gear Bushing Set fits '57-'90 XL Sportster
V-Twin Mfg
$67.27Bushing set include bushings for #1, 2, 3, 4 cams. NOTE: Bushing set is for outer cam cover. Set of four. Fits: XL 1957-1990 OEM No: 25588-80$67.27 -
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 -
Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '99-'05 Dyna Models
$299.95Feuling - 12-Point External Primary/Transmission Engine Fastener Kit fits '99-'05 Dyna Models The 12-Point External Primary/Transmission Engine Fastener Kit allows you to secure your engine with...$299.95 -
Colony Machine - Engine Bolt Kits fits '09-'16 Touring Models
Colony Machine
$243.95Colony Machine - Engine Bolt Kits fits '09-'16 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 -
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 -
Alloy Art - Front Motor Plate fits '84-'00 FXR & '80-'98 FL Models (see desc.)
Alloy Art
$169.95 - $179.95Alloy Art - Front Motor Plate fits '84-'00 FXR & '80-'98 FL Models (see desc.) Lighter and stronger than stock CNC-machined aluminum construction Hardware included Made in the U.S.A...$169.95 - $179.95 -
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 -
On Sale
Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Acorn
Colony Machine
MSRP: $33.98Now: $29.99Was: $34.95Colony Machine Rocker box screw set, Chrome Acorn style. Fits: FXST 1984-1998 FLST 1986-1998 FLT 1984-1998 FXR 1984-1994 FXD 1991-1998 XL 1986-UPMSRP: $33.98Now: $29.99Was: $34.95 -
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
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.