Engine
7735 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 - 3-1/4" Chrome Magnetic Ring Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A)
Drag Specialties
$19.90Drag Specialties - 3-1/4" Chrome Magnetic Ring Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A) Features: High-quality chrome...$19.90 -
Drag Specialties - 3-1/4" Chrome Magnetic Ring Oil Filter fits '17-'24 M-Eight, '99-'17 Twin Cam Models (OEM #63731-99A, 63798-99)
Drag Specialties
$19.90Drag Specialties - 3-1/4" Chrome Magnetic Ring Oil Filter fits '17-'24 M-Eight, '99-'17 Twin Cam Models (OEM #63731-99A, 63798-99) Features: High-quality chrome spin-on-style oil...$19.90 -
Drag Specialties - Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A)
Drag Specialties
$9.40 - $12.55Drag Specialties - Oil Filter fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63806-83, 63796-77A, 63805-80A) Features: High-quality spin-on filters are a dependable...$9.40 - $12.55 -
Alloy Art - Black M8 Finned Comp Cam Cover
Alloy Art
$444.95Alloy Art - Black M8 Finned Comp Cam Cover Features: Low profile design bring in larger diameter headers even closer for extra ground clearance Large breather fitting option allows for greater...$444.95 -
Kodlin - Water Reservoir Cover
$199.99Kodlin - Water Reservoir Cover Features: CNC machined from billet aluminum All hardware included and easy installation Fitment$199.99 -
V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Black
V-Twin Mfg
$1,272.81V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Black Panhead Evolution rocker box set features a bolt on Panhead look for Evolution models and a...$1,272.81 -
S&S Cycle - Hydraulic Tappets fits '91-'99 Sportster Models - Set of 4
S&S Cycle
$226.95S&S Cycle - Hydraulic Tappets fits '91-'99 Sportster Models - Set of 4 Features: Features precision-hardened ball-type check valve to provide superior sealing and lash control$226.95 -
S&S Cycle - Billet Oil Pump Kit fits '92-'99 Evolution Big Twin Models
S&S Cycle
$499.95S&S Cycle - Billet Oil Pump Kit fits '92-'99 Evolution Big Twin Models Features: Kit includes an oil pump with cover, mounting bolts, supply and return gears, drive shaft with keys and snap...$499.95 -
S&S Cycle - Standard Cover Billet Oil Pump fits '36-'69 Big Twin Models
S&S Cycle
MSRP: $499.95$445.95S&S Cycle - Standard Cover Billet Oil Pump fits '36-'69 Big Twin Models Features: Kit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive...MSRP: $499.95$445.95 -
S&S Cycle - Oil Pump Replacement Gasket Kit fits '36-'69 Big Twin Models
S&S Cycle
$17.95S&S Cycle - Oil Pump Replacement Gasket Kit fits '36-'69 Big Twin Models Features: Made in the U.S.A. Fitment<$17.95 -
S&S Cycle - Rocker Box Gasket Kit fits EVO Big Twin Models
S&S Cycle
$91.95S&S Cycle - Rocker Box Gasket Kit fits EVO Big Twin Models Features: Replacement gasket kit for rocker box part number 90-4095 Fitment$91.95 -
S&S Cycle - Rocker Box Gasket Kit fits Twin Cam Models
S&S Cycle
$71.95S&S Cycle - Rocker Box Gasket Kit fits Twin Cam Models Features: Includes all required gaskets and O-rings for both rocker boxes Fitment$71.95 -
S&S Cycle - Compression Release Hole Plug
S&S Cycle
$24.95S&S Cycle - Compression Release Hole Plug Features: Not for use on OEM heads Made in the U.S.A. Fitment$24.95 -
S&S Cycle - Natural Generator Gear Cover fits '40-'E48 Panhead Style
S&S Cycle
MSRP: $367.95$365.95S&S Cycle - Natural Generator Gear Cover fits '40-'E48 Panhead Style Features: Fit most generator motors; styled after the OEM types below Cast construction with a natural finishMSRP: $367.95$365.95 -
S&S Cycle - Valve Spring Kit fits '48-'84 Big Twin Models
S&S Cycle
$248.95S&S Cycle - Valve Spring Kit fits '48-'84 Big Twin Models Features: To be used with cams with up to .550" lift Includes springs and aluminum top retainers$248.95 -
S&S Cycle - Tappet Alignment Tool fits 'L76-'17 Big Twin Models (Except M-Eight)
S&S Cycle
$41.95S&S Cycle - Tappet Alignment Tool fits 'L76-'17 Big Twin Models (Except M-Eight) Features: Big Twin Evolution tappet blocks do not have counter-bored bolt holes; therefore, when a tappet block is...$41.95 -
S&S Cycle - Rocker Cover Wrench Set
S&S Cycle
$154.95S&S Cycle - Rocker Cover Wrench Set Features: Four wrenches of different lengths for those hard-to-get-to rocker box screws For use on all Big Twin and XL Evolution-style motors$154.95 -
V-Twin - 15-1542 - Tappet Base Gasket Kit - Fits 1991-1998 Harley-Davidson FXD, 1984-1998 FXST, 1971-1984 FX, 1986-1998 FLST, 1948-1984 FL, 1982-1994 FXR, 1979-1998 FLT
MSRP: $17.14$16.96Tappet base gasket kit includes 3 front and 3 rear gaskets. Fitment: FXST 1984-1998 FXR 1982-1994 FLT 1979-1998 FX 1971-1984 FXD 1991-1998 FL 1948-1984 FLST 1986-1998MSRP: $17.14$16.96 -
Sifton - Steel Hydraulic Pushrod Set fits '82-'83 FXR, '79-'83 FLT, '66-'84 FL Models (OEM #17904-66)
Sifton
$67.98Sifton - Steel Hydraulic Pushrod Set fits '82-'83 FXR, '79-'83 FLT, '66-'84 FL Models (OEM #17904-66) Sifton replacement hydraulic type pushrod set is constructed of steel with heat treated steel...$67.98 -
Gary Bang - Tappet Base Gasket Set fits '41-'84 FL, '71-'84 FX Models
Gary Bang
$26.18Gary Bang - Tappet Base Gasket Set fits '41-'84 FL, '71-'84 FX Models Sifton solid pushrod set is constructed of aluminum alloy with heat treated steel ends and is a set of 4 pushrods for 74"...$26.18 -
Motorshop - Aluminum Solid Pushrod Set Kit fits '48-'52 FL Model (OEM #17905-48)
Motorshop
$70.99Motorshop - Aluminum Solid Pushrod Set Kit fits '48-'52 FL Model (OEM #17905-48) Sifton solid pushrod set is constructed of aluminum alloy with heat treated steel ends and is a set of 4 pushrods for...$70.99 -
Sifton - Sifton Oil Pump Check Valve Ball Re-Seater Tool fits '84-'98 FXST, '82-'94 FXR, '57-'76 Sportster Models
Sifton
$142.07Sifton - Sifton Oil Pump Check Valve Ball Re-Seater Tool fits '84-'98 FXST, '82-'94 FXR, '57-'76 Sportster Models Sifton oil pump check valve ball re-seater tool will recut the seat to allow the...$142.07 -
V-Twin - Nickel Plated Tappet Block Screw Kit fits '48-'84 FL Model
V-Twin Mfg
$19.66V-Twin - Nickel Plated Tappet Block Screw Kit fits '48-'84 FL Model Tappet base bolt set of eight with 1/4" x 20UNC thread, is nickel plated, and has a hex shaped head. Screw does not have taper and...$19.66 -
Gary Bang - V-Twin Primary Cover Gasket Kit fits '07-'16 FLT Model (OEM #34901-07)
Motorshop
$125.21Gary Bang - V-Twin Primary Cover Gasket Kit fits '07-'16 FLT Model (OEM #34901-07) Primary cover gasket kit. Fitment: FLT 2007-2016$125.21 -
Kraus - Black Anodized Pro-Line Slider Derby Cover fits M8 Softail Models W/ Narrow Primary Cover
Kraus Motor Co.
$295.00kraus - Black Anodized Pro-Line Slider Derby Cover fits M8 Softail Model The Kraus Pro-Line Slider Derby Cover is a direct replacement for your stock derby cover. This isn't your normal dress up...$295.00 -
Feuling - Hydraulic Camchain Tensioner Kit fits '17 & Up M8 Model
Feuling
$119.95Feuling - Hydraulic Camchain Tensioner Kit fits '17 & Up M8 Model Features: Install or replace hydraulic camchain tensioners on stock M8 models Kit includes out chain, outer crank 17 tooth crank...$119.95 -
Feuling - 487 Series Chain Drive Reaper® Camshaft fits M8 Model
Feuling
$319.95Feuling - 487 Series Chain Drive Reaper® Camshaft fits M8 Model Features: Good for 4.25" stroke with 114"-117" engine looking for an agressive bolt in Produces a wide powerband$319.95 -
Colony - 8610-1 5/8"-18 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Models (OEM #2326-26)
Colony Machine
$9.95Colony - 8610-1 5/8"-18 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Models (OEM #2326-26) Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing...$9.95 -
Colony - 8142-34 Motor Case Acorn Hardware Kit fits '84-'99 Big Twin Models (Except Twin Cam)
Colony Machine
$70.95Colony - 8142-34 Motor Case Acorn Hardware Kit fits '84-'99 Big Twin Models (Except Twin Cam) Features: Individual acorn bolt and nut sets for specific applications Includes washers <$70.95 -
Colony - 9884-20 Zinc Motor Case Bolt Kit fits '96-'00 Evolution Big Twin Models (OEM #3398, 3504A)
Colony Machine
$43.95Colony - 9884-20 Zinc Motor Case Bolt Kit fits '96-'98 Evolution Big Twin Models (OEM #3398, 3504A) Features: Includes all necessary hardware for bolting together the motor case$43.95 -
Colony - 2709-24-P Smooth Motor Mount Bolt Kit fits '09-'16 FLT Models (OEM #4313, 4688)
Colony Machine
$35.95Colony - 2709-24-P Smooth Motor Mount Bolt Kit fits '09-'16 FLT Models (OEM #4313, 4688) Features: Individual bolt and nut sets for specific applications Bolt kits include allen screws, nuts and...$35.95 -
Colony - 8735-24 Cadmium Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3565W)
Colony Machine
$41.95Colony - 8735-24 Cadmium Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3565W) Features: Exact duplicate of original special screws used on Panhead valve covers Made in the U.S.A.$41.95 -
Colony - 9877-2 Cadmium Oil Screen Plug fits '70-'80 Big Twin Models (OEM #657)
Colony Machine
$6.95Colony - 9877-2 Cadmium Oil Screen Plug fits '70-'80 Big Twin Models (OEM #657) Features: Oil Screen plug for Big Twin models Made in the USA$6.95 -
Colony - 9645-2 Cadmium OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80)
Colony Machine
$6.95Colony - 9645-2 Cadmium OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80) Features: Made in the U.S.A. Fitment$6.95 -
Colony - 8111-12 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691)
Colony Machine
$5.95Colony - 8111-12 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack$5.95 -
Colony - 9694-19 Parkerized Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834)
Colony Machine
$30.95Colony - 9694-19 Parkerized Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack$30.95 -
Colony - 8740-19 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834)
Colony Machine
$30.95Colony - 8740-19 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack OEM style kit is$30.95 -
Colony - 8140-34 Chrome Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models
Colony Machine
MSRP: $66.95$66.28Colony - 8140-34 Chrome Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FX 1971-1978 FL...MSRP: $66.95$66.28 -
Colony - 8137-34 Chrome Stock Engine Case Bolt Kit fits '65-'69 FL Model
Colony Machine
MSRP: $68.85$68.16Colony - 8137-34 Chrome Stock Engine Case Bolt Kit fits '65-'69 FL Model Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FL 1965-1969MSRP: $68.85$68.16 -
Colony - 8106-16 Stock Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '29-'73 G Models
Colony Machine
MSRP: $24.53$19.95Colony - 8106-16 Stock Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '29-'73 G Models Chrome stock cylinder base set includes 8 nuts with washers. Sold as an 8 piece set...MSRP: $24.53$19.95
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.