Engine
8416 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
Harddrive - 88656 - Cam Chain Tensioners Shoe Set Replacement For 820-51404
HardDrive
MSRP: $15.95$15.26Harddrive - 88656 - Cam Chain Tensioners Shoe Set Replacement For 820-51404FeaturesGlobal Trade Item Number: 191361140662Cam chain tensioners wear differently depending on useage, oil change...MSRP: $15.95$15.26 -
Out of stock
Sp1 - SM-12153 - Stone-Type Glaze Breaker
SP1
$54.99Sp1 - SM-12153 - Stone-Type Glaze Breaker Features Global Trade Item Number: 191361193262 Full 2" to 7" range (50.8 - 177.8 mm) Controlled pressure assures positive, adjustable contact through...$54.99 -
Out of stock
Harddrive - 14-016 - Filter Mount Nut And Seal Kit
HardDrive
MSRP: $14.95$14.36Harddrive - 14-016 - Filter Mount Nut And Seal KitFeaturesGlobal Trade Item Number: 191361256578Meets OEM specificationsChrome finishAccepts all EVO style oil filtersFitmentMSRP: $14.95$14.36 -
Out of stock
Harddrive - 14-039 - Oil Filter Wrench Socket Drive Twin Cams 00-17 Oem 44067
HardDrive
MSRP: $13.95$10.76Harddrive - 14-039 - Oil Filter Wrench Socket Drive Twin Cams 00-17 Oem 44067FeaturesThese oil filter wrenches fit on OEM and most aftermarket oil filters. The 3/8" socket drive makes it easy to...MSRP: $13.95$10.76 -
Out of stock
Harddrive - 86266 - Intake Manifold Evo 27019-89A
HardDrive
$97.16Harddrive - 86266 - Intake Manifold Evo 27019-89AFeaturesGlobal Trade Item Number: 191361356117OEM Style Replacement Manifolds with smooth designed portsRecommend replacing intake flanges and intake...$97.16 -
Out of stock
Cometic - C9847F - Complete Est Gasket Evo Big Twin Kit
Cometic
$374.77Cometic - C9847F - Complete Est Gasket Evo Big Twin KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$374.77 -
Out of stock
Cometic - C9954 - Rocker Box Gasket Evo Sportster Kit
Cometic
$66.97Cometic - C9954 - Rocker Box Gasket Evo Sportster KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$66.97 -
Out of stock
Gardnerwestcott - P-10-48-06 - Cam Cover Hardware Kit Flt M8
Gardner-Westcott
$32.95Gardnerwestcott - P-10-48-06 - Cam Cover Hardware Kit Flt M8 Features Engine/trans. hardware kits Show Chrome Fitment 2017-2019 Harley Da$32.95 -
Out of stock
Gardnerwestcott - P-48-17 - Motor Set Hardware Kit Flt M8
Gardner-Westcott
$307.95Gardnerwestcott - P-48-17 - Motor Set Hardware Kit Flt M8FeaturesEngine/trans. hardware kitsShow ChromeFitment2017-2019Harley DavidsonFLRT Freewhe$307.95 -
Out of stock
Gardnerwestcott - P-GW-48-A - Builder Fastener Kit Flt M8
Gardner-Westcott
$480.95Gardnerwestcott - P-GW-48-A - Builder Fastener Kit Flt M8FeaturesEngine/trans. hardware kitsShow ChromeFitment2017-2019Harley DavidsonFLRT Freewhe$480.95 -
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
Kpmi - 20-21850 - Racing Valve Spring Kit .625 Lift H.T. Steel Retainer
Kibblewhite
$332.95Kpmi - 20-21850 - Racing Valve Spring Kit .625 Lift H.T. Steel RetainerFeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot...$332.95 -
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 -
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 - 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
S&S Cycle - 09040153 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8
S&S Cycle
$1,849.95S&S CYCLE - 09040153 - 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black Granite w/Highlighted Fins - M8Features132" high compression kit will work on 114"/117" motors with 4-1/2"...$1,849.95Out 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 - 49-3019 - Indian 74 Zinc Plated Top Motor Mount - Fits 1922-1953 Indian Chief
V-Twin Mfg
$33.53Indian 74 zinc plated top motor mount.Order shims and spark tube bracket separately. Fits: Chief 1922-1953 Additional Information OEM No.$33.53Out 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 - 49-0865 - 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. ...$519.95Out of stock
V-Twin - 49-0708 - Side Valve Oil Feed Pump Assembly Parkerized - Fits 1937-1952 Harley-Davidson WL, 1937-1973 G
V-Twin Mfg
$377.162023 New Production oil feed pump assembly is for W and G Side Valve models. Assembly features a parkerized finish. Fits:WL 1937-1952G 1937-1973Additional Information$377.16Out of stock
V-Twin - 49-0668 - Nickel Plated Head Primer Cups - Fits 1936-1938 Harley-Davidson EL, 1937-1938 FL, 1930-1936 VL
V-Twin Mfg
MSRP: $82.08$81.26Head prime cups are for Flathead and Overhead Valve models and features a nickel plated finish, for exact applications or restoration.Includes knurled knob and valve insert. Fits:EL 1936-1938FL...MSRP: $82.08$81.26Out of stock
V-Twin - 49-0378 - 45 inch Front and Rear Cylinder Kit
Motorshop
$1,092.03V-Twin - 49-0378 - 45 inch Front and Rear Cylinder KitDescriptionFront and rear cylinder with 2 pistons, rings, valve guides and intake manifold nipples installed. For 45 cubic inch Side Valve, WL...$1,092.03Out of stock
V-Twin - 49-0192 - Valve Cover Set Zinc - Fits 1937-1938 Harley-Davidson UL
V-Twin Mfg
$250.69Zinc valve covers is a 12 piece set including valve cover seals. Fits:UL 1937-1938Additional Information UOM1 - SET$250.69Out of stock
V-Twin - 43-9162 - Top Rocker Box Cover Chrome
Volt Tech
$149.71V-Twin - 43-9162 - Top Rocker Box Cover ChromeDescriptionChrome top rocker box cover Fits:FLT 1984-1991FXR 1984-1991FLST 1986-1991FXST 1984-1991Additional Information$149.71Out of stock
V-Twin - 43-0536 - Chrome Engine Dress Up Kit - Fits 2001-2006 Harley-Davidson FLSTC, 2006 FLST, 2001-2006 FXST (TC-88)
V-Twin Mfg
$1,205.59Chrome engine dress up kit includes chrome parts and hardware for installation.Chrome engine dress up kit includes chrome parts and hardware for installation. Kits require removal of engine to...$1,205.59
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.