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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Out of stock
Jagg - 4550 - Big Twin Carburated Evo W/Front Mount Spin On Filter
Jagg Oil Coolers
$150.95Jagg - 4550 - Big Twin Carburated Evo W/Front Mount Spin On FilterFeaturesBuilt for reliable performance and easy installation, the Jagg part # 4550 oil filter adapter features a unique built-in oil...$150.95 -
Out of stock
Jagg - 4702 - All Twin Cam & Fuel Injected Evo Models
Jagg Oil Coolers
$150.95Jagg - 4702 - All Twin Cam & Fuel Injected Evo ModelsFeaturesBuilt for reliable performance and easy installation, the Jagg part # 4550 oil filter adapter features a unique built-in oil by-pass valve...$150.95 -
Out of stock
Jagg - 11-J77-34 - Hyper Flow Lifetime Oil Filter 3/4" -16 Thread
Jagg Oil Coolers
$150.95Jagg - 11-J77-34 - Hyper Flow Lifetime Oil Filter 3/4" -16 Thread$150.95 -
Out of stock
$27.95 -
Out of stock
$27.95 -
Out of stock
Jagg - TS200 - Thermal Switch 200F W/Bolt 1"
Jagg Oil Coolers
$27.95Jagg - TS200 - Thermal Switch 200F W/Bolt 1"$27.95 -
Out of stock
Kpmi - 20-21800 - Racing Valve Spring Kit .625 Lift Titanium Retainers
Kibblewhite
$416.95Kpmi - 20-21800 - Racing Valve Spring Kit .625 Lift Titanium RetainersFeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot...$416.95 -
Out of stock
Harddrive - 29-067 - Clutch Cylinder Cover Gasket 5Pk
HardDrive
$21.95Harddrive - 29-067 - Clutch Cylinder Cover Gasket 5PkFeaturesGlobal Trade Item Number: 191361228339Fitment2017-2018Harley DavidsonFLTRXS Road Glide Special$21.95 -
Harddrive - 01-020 - Short Pushrod Tubes All Twin Cams
HardDrive
$120.56Harddrive - 01-020 - Short Pushrod Tubes All Twin CamsFeaturesGlobal Trade Item Number: 191361119866Ideal for "quick install" or "time saver" type pushrodsTubes are shorter and clips are longer for...$120.56 -
Out of stock
Harddrive - 89677 - Replacement O-Rings For Oil Pump Oem#11301
HardDrive
$7.16Harddrive - 89677 - Replacement O-Rings For Oil Pump Oem#11301FeaturesGlobal Trade Item Number: 191361228612Fitment1999-2006Harley DavidsonFLHR Road King$7.16Out of stock
Harddrive - PS171XB-SM - Oil Filter M8 Syn Blk 171Xsb Oe 62700296
HardDrive
MSRP: $16.95$15.26Harddrive - PS171XB-SM - Oil Filter M8 Syn Blk 171Xsb Oe 62700296FeaturesGlobal Trade Item Number: 191361430688Full Synthetic media filters not only catch and remove even the smallest particulates,...MSRP: $16.95$15.26Out of stock
Harddrive - PS171XC-SM - Oil Filter M8 Syn Chr 171Xsc Oe 62700297
HardDrive
MSRP: $18.95$17.06Harddrive - PS171XC-SM - Oil Filter M8 Syn Chr 171Xsc Oe 62700297FeaturesGlobal Trade Item Number: 191361430695Full Synthetic media filters not only catch and remove even the smallest particulates,...MSRP: $18.95$17.06Out of stock
Harddrive - PS171XCNHD-SBM - Oil Filter M8 Chr W/Nut 171Xcn Oe 62700297
HardDrive
MSRP: $18.95$17.06Harddrive - PS171XCNHD-SBM - Oil Filter M8 Chr W/Nut 171Xcn Oe 62700297FeaturesGlobal Trade Item Number: 191361430718Full Synthetic media filters not only catch and remove even the smallest...MSRP: $18.95$17.06Out of stock
Harddrive - PS171XBNHD-SBM - Oil Filter M8 Blk W/Nut 171Xb Oe 62700296
HardDrive
MSRP: $14.95$13.46Harddrive - PS171XBNHD-SBM - Oil Filter M8 Blk W/Nut 171Xb Oe 62700296FeaturesGlobal Trade Item Number: 191361430725Full Synthetic media filters not only catch and remove even the smallest...MSRP: $14.95$13.46Out of stock
Harddrive - 301489 - Oil Pump Gasket Kit For 820-50103
HardDrive
MSRP: $13.95$9.86Harddrive - 301489 - Oil Pump Gasket Kit For 820-50103FeaturesGlobal Trade Item Number: 191361507670HardDrive Oil Pumps are made from Cast Aluminum that is CNC machined then polished to a high shine...MSRP: $13.95$9.86Out of stock
Wiseco - 09106945 - Piston Kit - 4.080" - 118" M8
Wiseco
$259.95WISECO - 09106945 - Piston Kit - 4.080" - 118" M8FeaturesFeatures ArmorX™ piston coating for protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder...$259.95Out of stock
Wiseco - 09106946 - Piston Kit - 4.135" - 121" M8
Wiseco
$259.95WISECO - 09106946 - Piston Kit - 4.135" - 121" M8 Features Features ArmorX™ piston coating for protection in extreme conditions and reduced wear ArmorFit™ skirt coating auto-adjusts to the...$259.95Out of stock
Wiseco - 09106944 - Piston Kit - 4.075" - 117" M8
Wiseco
$259.95WISECO - 09106944 - Piston Kit - 4.075" - 117" M8FeaturesFeatures ArmorX™ piston coating for protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder...$259.95Out of stock
Revolution Performance, Llc - 09230715 - Connecting Rod Kit - H-Beam - M8
Revolution Performance
$769.95REVOLUTION PERFORMANCE, LLC - 09230715 - Connecting Rod Kit - H-Beam - M8 Features revolution performance logo Maintains OEM fit and reliability Custom made H-beam connecting rods Fits 4-3/8"...$769.95Out of stock
Wiseco - 09106943 - Piston Kit - 4.016" - 114" M8
Wiseco
$259.95WISECO - 09106943 - Piston Kit - 4.016" - 114" M8FeaturesFeatures ArmorX™ piston coating for protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder...$259.95Out of stock
S&S Cycle - 09040167 - 129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8
S&S Cycle
MSRP: $3,359.95$3,294.95S&S CYCLE - 09040167 - 129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,359.95$3,294.95Out of stock
S&S Cycle - 09040165 - 129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/o Highlight Fins - M8
S&S Cycle
MSRP: $3,359.95$3,294.95S&S CYCLE - 09040165 - 129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/o Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,359.95$3,294.95Out of stock
S&S Cycle - 09040164 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8
S&S Cycle
MSRP: $3,359.95$3,294.95S&S CYCLE - 09040164 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,359.95$3,294.95Out of stock
S&S Cycle - 09040155 - 132" Power Pack - 550 Gear Drive - Oil Cooled - Black w/o Highlight Fins - M8
S&S Cycle
MSRP: $3,559.95$3,497.95S&S CYCLE - 09040155 - 132" Power Pack - 550 Gear Drive - Oil Cooled - Black w/o Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish matched to...MSRP: $3,559.95$3,497.95Out of stock
S&S Cycle - 09040145 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8
S&S Cycle
$3,294.95S&S CYCLE - 09040145 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,294.95Out of stock
S&S Cycle - 09040144 - Power Pack - 4.500" Stroke - Water Cooled - Black w/Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040144 - Power Pack - 4.500" Stroke - Water Cooled - Black w/Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,497.95Out of stock
S&S Cycle - 09040133 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040133 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,497.95Out of stock
S&S Cycle - 09040134 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/o Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040134 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/o Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,497.95Out of stock
S&S Cycle - 09040132 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040132 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,497.95Out of stock
S&S Cycle - 09040129 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8
S&S Cycle
$3,265.95S&S CYCLE - 09040129 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,265.95Out of stock
V-Twin - 49-8550 - Indian .415 Cam Set - Fits 1936-1946 Indian Chief
V-Twin Mfg
$146.19Sifton Indian .415 cam set without shafts Fits: Chief 1936-1946 Additional Information UOM 1 - SET$146.19Out of stock
V-Twin - 49-2565 - Rocker Cover Set Chrome
Paughco
$155.85V-Twin - 49-2565 - Rocker Cover Set ChromeDescriptionChrome rocker covers with bird for Spring Forks. Fits:UL 1937-1948G 1936-1957WL 1936-1952EL 1936-1940FL 1941-1948Additional Information$155.85Out of stock
V-Twin - 49-1877 - Side Valve Feed Pump Upgrade - Fits 1952-1973 Harley-Davidson G, 1937-1940 U, 1937-1940 W, 1952 W
V-Twin Mfg
$152.69Feed pump upgrade for cast pump, flat type, as on 80" Side Valve and late G models.Includes rotor with 4 vanes for added oil pressure! Installation will require using muliple gaskets. Each rotor will...$152.69Out of stock
V-Twin - 49-1350 - Knucklehead Bare Cylinder Head Set
Motortechnic
$2,254.62V-Twin - 49-1350 - Knucklehead Bare Cylinder Head SetDescriptionKnuckle bare cylinder head set is painted black with large port heads. Fits:EL 1940-1947Additional Information$2,254.62Out of stock
V-Twin - 49-1336 - Knucklehead Rocker Box Seal Kit - Fits 1936-1937 Harley-Davidson EL
V-Twin Mfg
$94.99Knucklehead rocker box seal kit includes 4 outer washer, 4 cork seals and 4 clips.This is a 12 piece kit. Fits:EL 1936-1937Additional Information UOM$94.99Out of stock
V-Twin - 49-0945 - 6:1 High Compression Head Set Aluminum - Fits 1939-1973 Harley-Davidson G, 1939-1946 WLD, 1939-1952 W
V-Twin Mfg
$649.39Heads have a steel insert, cast in, to accept the 18mm spark plug.Combustion champer is 10.5mm deep. Sold as a set of 2. Fits:G 1939-1973WLD 1939-1946W 1939-1952Additional Information$649.39Out of stock
V-Twin - 49-0909 - Head Set Aluminum - Fits 1936-1948 Harley-Davidson U
V-Twin Mfg
$799.76Front and rear aluminum heads for 74" and 80" side valve models. Fits:U 1936-1948Additional Information OEM No.16670-36F$799.76Out of stock
V-Twin - 49-0865 - 45 inch Top End Kit - Fits 1933-1973 Harley-Davidson G, 1936-1952 W
V-Twin Mfg
$2,198.0345" top end kit includes a 45" valve cover kit, 45" lifter kit, valve spring kit, front and rear 45" cylinder, four Sifton interchangeable intake and exhaust valves, high compression head, gasket...$2,198.03Out of stock
V-Twin - 49-0810 - Finned Panhead Valve Cover Set Polished - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$508.06Finned Panhead valve cover set features polished finned covers for front and rear on OE stock or custom frames.Finned Pan valve cover is clearaced rear head installation. Suggested to check clearance...$508.06Out of stock
V-Twin - 49-0804 - 45 inch Replica Rear Cylinder - Fits 1941-1973 Harley-Davidson G, 1941-1952 W
V-Twin Mfg
$519.95Replica rear cylinder for 45" models, 750cc, features cast iron construction and finish bore size is 2.752".The valve seats cut valve guides are included. Accepts cast iron or aluminum heads. ...$519.95
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.