Engine
7737 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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Out of stock
Cometic - C9850 - Top End Gasket - Standard - .030" - Fits 1992-1999 Evolution Big Twin, std. bore 0.030" head gaskets
Cometic
$148.88Cometic - C9850 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$148.88 -
Out of stock
Cometic - C9851 - Top End Gasket - Standard - .030" - Fits 1984-1991 Evolution Big Twin, std. bore, 0.030" head gaskets
Cometic
$148.88Cometic - C9851 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$148.88 -
Out of stock
Cometic - C9892 - Motor Gasket Kit - 1550
Cometic
$179.95Cometic - C9892 - Motor Gasket Kit - 1550FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated base...$179.95 -
Out of stock
Cometic - C9847F - Complete Gasket Kit - .030" - 4/5 Speed - '84-'88 Big Twin
Cometic
$374.77Cometic - C9847F - Complete Gasket Kit - .030" - 4/5 Speed - '84-'88 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head...$374.77 -
Out of stock
Cometic - C9937 - Cylinder Base Gasket - 4" - .010" - Twin Cam
Cometic
$33.95Cometic - C9937 - Cylinder Base Gasket - 4" - .010" - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$33.95 -
Out of stock
Cometic - C9101 - Cylinder Base Gasket - .010" - EVO
Cometic
$33.95Cometic - C9101 - Cylinder Base Gasket - .010" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$33.95 -
Out of stock
Cometic - C9954 - Rocker Gasket Kit - XL
Cometic
$66.97Cometic - C9954 - Rocker Gasket Kit - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals...$66.97 -
Out of stock
Cometic - C9750F - Complete Gasket Kit - 5 Speed - '84-'91 FLT/FXR
Cometic
$374.77Cometic - C9750F - Complete Gasket Kit - 5 Speed - '84-'91 FLT/FXRFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head...$374.77 -
Out of stock
Cometic - C9879 - Head Gasket - 4.000" x .036" - TP and S&S EVO
Cometic
$64.95Cometic - C9879 - Head Gasket - 4.000" x .036" - TP and S&S EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$64.95 -
Out of stock
Cometic - C9726 - Head Gasket - 4.000" x .040" - 110 - '99-'13 Twin Cam
Cometic
$63.07Cometic - C9726 - Head Gasket - 4.000" x .040" - 110 - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep,...$63.07 -
Out of stock
Cometic - C9878 - Head Gasket - 4.000" x .030" - TP and S&S EVO
Cometic
$64.95Cometic - C9878 - Head Gasket - 4.000" x .030" - TP and S&S EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$64.95 -
Out of stock
Andrews - 298125 - N2 Grind Cam - XL
Andrews
$504.95Andrews - 298125 - N2 Grind Cam - XLFeaturesCams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installedStock base circle sizes allow the use of stock pushrodsMade in the U.S...$504.95 -
Out of stock
Andrews - 291172 - Camshaft - EV72 - Evolution Big Twin
Andrews
$251.95Andrews - 291172 - Camshaft - EV72 - Evolution Big TwinFeaturesCapable of 6000+ rpm with stock springs and no valve floatFor use with Andrews springs and titanium collarsOK for use with hydraulic...$251.95 -
Out of stock
Andrews - 288160 - Cam Set - TW60 - Chain Drive - Twin Cam
Andrews
$415.95Andrews - 288160 - Cam Set - TW60 - Chain Drive - Twin CamFeaturesManufactured with the help of a computer with cam design capabilitiesMade from alloy steel billets and heat-treated processes are...$415.95 -
Out of stock
Andrews - 288137 - Cam Set - TW37B - Chain Drive - Twin Cam
Andrews
$415.95Andrews - 288137 - Cam Set - TW37B - Chain Drive - Twin CamFeaturesManufactured with the help of a computer with cam design capabilitiesMade from alloy steel billets and heat-treated processes are...$415.95 -
Out of stock
Andrews - 276150 - Medium-Lift Upper Spring Collar Set - Fits 1966-1984 Shovelhead
Andrews
$74.95Andrews - 276150 - Medium-Lift Upper Spring Collar SetFeaturesIntended to work with stock springs and add approximately .060" spring travel with no other modifications on 66-84 74" and 80" motorsThe...$74.95 -
Out of stock
Andrews - 291138 - Cam - EV38 Grind - Evolution Big Twin
Andrews
$251.95Andrews - 291138 - Cam - EV38 Grind - Evolution Big TwinFeaturesMore mid-range and top-end power for street and drag bikes. These cams work with solid or hydraulic lifters, and the idle remains...$251.95 -
Out of stock
Andrews - 291159 - Camshaft - EV59 - Evolution Big Twin
Andrews
$251.95Andrews - 291159 - Camshaft - EV59 - Evolution Big TwinFeaturesCapable of 6000+ rpm with stock springs and no valve floatDesigned for modified 80" to 88" motorsVery broad powerband to 6000 rpmMade in...$251.95 -
Out of stock
Andrews - 288020 - Crank Shaft Cam Drive Sprocket - Fits all 1999-2006 Twin Cam motors
Andrews
$77.95Andrews - 288020 - Crank Shaft Cam Drive SprocketFeaturesCan be used with OEM cam drive sprocketMade in the U.S.A.Replacement Part for OEM Number(s): 2560999Specs$77.95 -
Out of stock
Andrews - 292215 - EZ-Install Pushrods
Andrews
$305.95Andrews - 292215 - EZ-Install PushrodsFeaturesEZ-install pushrods eliminate the need to disassemble your rocker boxes or remove the gas tank when changing cams or doing maintenanceMade in the U.S.A...$305.95 -
Out of stock
Andrews - 292095 - Pushrod Kit - XL
Andrews
$151.95Andrews - 292095 - Pushrod Kit - XLFeaturesSuper-light, heavy-duty fixed-length pushrodsSold in sets of four to replace OE; two shorter rods for intake, two longer rods for exhaustRocker boxes must...$151.95 -
Out of stock
Arlen Ness - 18-256 - Rocker Box Covers - 10 Gauge - Black
Arlen Ness
$549.95Arlen Ness - 18-256 - Rocker Box Covers - 10 Gauge - BlackFeaturesCNC-machined from forged billet aluminumDrastically change the look of your engineReplace OEM top rocker box coversIncludes necessary...$549.95 -
Out of stock
Andrews - 293115 - Valve Spring Collars - Big Twin
Andrews
$89.95Andrews - 293115 - Valve Spring Collars - Big TwinFeaturesProvide .050" more spring travel than stockStronger and lighter than stockUse stock keepersMade in the U.S.A.Specs$89.95 -
Out of stock
Andrews - 217464 - Cam - M464 - M8
Andrews
$268.95Andrews - 217464 - Cam - M464 - M8FeaturesGreat mid-range torque and power with free-flow exhaust pipes and injector tuningSpecs$268.95 -
Out of stock
Andrews - 212539 - 7 Grind Camshaft - Fits L1977-1984 Shovelhead
Andrews
$251.95Andrews - 212539 - 7 Grind CamshaftFeaturesGreat street cam, especially for 84/88-inch strokers with maximum torque from 2,200 to 6,500 rpmUpgraded version of the original #6 grindSpecs$251.95 -
Out of stock
Andrews - 212353 - Camshaft - B2 Grind - Fits 70-E77 Shovelhead
Andrews
$251.95Andrews - 212353 - Camshaft - B2 GrindFeaturesMore mid-range and high-end power for street/strip with smooth idle; best cam for 74/80 inchers and small strokersSpring spacing required, and clearance...$251.95 -
Out of stock
Andrews - 212260 - A2 Grind Cam - Fits 1948-1969 Big Twin
Andrews
$251.95Andrews - 212260 - A2 Grind CamFeaturesCam bolts into 66-84 (except 80-81) Big Twin engines with no head work; on 80-81 engines the height of the stock H-D valve guides restricts spring travel (and...$251.95 -
Out of stock
Andrews - 216337 - Cam Set - 37H - Chain Drive - Twin Cam
Andrews
$415.95Andrews - 216337 - Cam Set - 37H - Chain Drive - Twin CamFeaturesManufactured with the help of a computer with cam design capabilitiesMade from alloy steel billets and heat-treated processes are...$415.95 -
Out of stock
Andrews - 288131G - Cam Set - 31G - Gear Drive - Twin Cam
Andrews
$463.95Andrews - 288131G - Cam Set - 31G - Gear Drive - Twin CamFeaturesManufactured with the help of a computer with cam design capabilitiesMade from alloy steel billets and heat-treated processes are...$463.95 -
Out of stock
Jims - 2268 Main Case Seal Installer Tool fits '85-'06 5-Speed Big Twin & Aftermarket 6-Speeds Models
Jims
MSRP: $98.95$98.75Jims - 2268 Main Case Seal Installer Tool fits '85-'06 5-Speed Big Twin & Aftermarket 6-Speeds Models Features: Ensures correct alignment, seal protection and depth when installing the sealMSRP: $98.95$98.75 -
Out of stock
Jims - 1672 Crankshaft Bearing Tool fits '03-'17 Twin Cam “A” and “B” Motors Models
Jims
$276.10Jims - 1672 Crankshaft Bearing Tool fits '03-'17 Twin Cam “A” and “B” Motors Models Features: Designed to remove and replace the right crankcase bearing Press bearing in and out stra$276.10 -
Out of stock
Jims - 1075 Cylinder Stud Installer fits all Evolution Big Twin & Sportster Models
Jims
MSRP: $90.95$90.45Jims - 1075 Cylinder Stud Installer fits all Evolution Big Twin & Sportster Models Features: Assembly tool features a captive hardened ball bearing dimensionally set 1" from top of toolMSRP: $90.95$90.45 -
Out of stock
Jims - 988 Valve Spring Compressor fits '05-'17 Twin Cam (Except SE Models), '04-'22 Sportster (Except RH Sportster) & Buell Models (Except 1125R)
Jims
$124.35Jims - 988 Valve Spring Compressor fits '05-'17 Twin Cam (Except SE Models), '04-'22 Sportster (Except RH Sportster) & Buell Models (Except 1125R) Features: Used to remove and replace valve and...$124.35 -
Out of stock
Jims - 959 Engine Case Bearing Tool fits '03-'10 Twin Cam Models
Jims
MSRP: $1,658.95$1,520.25Jims - 959 Engine Case Bearing Tool fits '03-'10 Twin Cam Models Features: Kit Includes one new steel bearing insert sleeve (held to under .0002" total indicator reading), all necessary drill...MSRP: $1,658.95$1,520.25 -
Out of stock
Jims - 1278-3 Camshaft Bearing Installation fits '99-'17 Twin Cam Models
Jims
$106.95Jims - 1278-3 Camshaft Bearing Installation fits '99-'17 Twin Cam Models Features: Replacement drive for JIMS® Cam Bearing Installation Tool$106.95 -
Out of stock
Jims - 917 Pushrod Cover Clip
Jims
MSRP: $98.95$98.55Jims - 917 Pushrod Cover Clip Features: Will install and remove the clip professionally with just one hand in seconds This tool will NOT marr or slipMSRP: $98.95$98.55 -
Out of stock
Jims - 3200 Flange Piston Ring End Gap Tool for H-D 95”,103” & 110” Motors w/ Standard Size Pistons (3.875” or 4” Bore)
Jims
$95.40Jims - 3200 Flange Piston Ring End Gap Tool for H-D 95”,103” & 110” Motors w/ Standard Size Pistons (3.875” or 4” Bore) Features: This tool makes measuring ring end gap faster, more accurat$95.40 -
Out of stock
Jims - 746 Go-No-Go Hydraulic Tappet Tool
Jims
MSRP: $43.95$43.45Jims - 746 Go-No-Go Hydraulic Tappet Tool Features: Only when the tip fits nicely with no endplay is the tappet properly adjusted, if the tip doesn’t fit, OR if there is up and down endplay, the...MSRP: $43.95$43.45 -
Out of stock
Jims - 5532 Vacuum Tappet fits '84-'20 Big Twin Models w/ Hydraulic Tappet Assemblies
Jims
MSRP: $120.95$115.95Jims - 5532 Vacuum Tappet fits '84-'20 Big Twin Models w/ Hydraulic Tappet Assemblies Features: Removes the risk of using the starting system to pump up the lifters or damage to the valve train...MSRP: $120.95$115.95 -
Out of stock
Jims - 5809 Cylinder Hold Down Tool fits '17-'20 M-Eight & '99-'17 Twin Cam Models
Jims
MSRP: $103.95$99.70Jims - 5809 Cylinder Hold Down Tool fits '17-'20 M-Eight & '99-'17 Twin Cam Models Features: Useful when installing the second cylinder over the piston and rings after the first cylinder has been...MSRP: $103.95$99.70
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.