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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Kodlin - Black Rear Engine Guards fits '18-'25 M8 Softail Models
Kodlin
$299.99Kodlin - Black 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 -
S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models This Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin comes with S&S high-strength...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Chrome Die-Cast Rocker Box fits '99-'17 Twin Cam Motors
S&S Cycle
$1,091.95S&S Cycle - Chrome Die-Cast Rocker Box fits '99-'17 Twin Cam Motors Features Positive O-ring seal ensures leak-free operation Include rocker boxes,$1,091.95 -
S&S Cycle - 910-0203 - Black Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only)
S&S Cycle
$1,282.95S&S Cycle - 910-0203 - Black Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only) Fits: S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only)...$1,282.95 -
S&S Cycle - 910-0199 - Silver Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only)
S&S Cycle
$1,313.95S&S Cycle - 910-0199 - Silver Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only) Fits: S&S 106" Stroker Only (10.5:1 Compression) (88" Motor...$1,313.95 -
S&S Cycle - Silver 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 - Silver 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 - 910-0206 - Black Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - 910-0206 - Black Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads) Fits: '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke,...$1,287.95 -
S&S Cycle - 910-0202 - Silver Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads)
S&S Cycle
$1,219.95S&S Cycle - 910-0202 - Silver Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads) Fits: '06-'17 Twin Cam Engines (3.937" Bore, 4⅜"...$1,219.95 -
S&S Cycle - 910-0205 - Black Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - 910-0205 - Black Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9...$1,287.95 -
S&S Cycle - 910-0201 - Silver Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,219.95S&S Cycle - 910-0201 - Silver Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke,...$1,219.95 -
S&S Cycle - 910-0691 - Wrinkle Black 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
S&S Cycle
$1,008.95S&S Cycle - 910-0691 - Wrinkle Black 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) Fits: '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)...$1,008.95 -
S&S Cycle - 910-0689 - Silver 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
S&S Cycle
$1,008.95S&S Cycle - 910-0689 - Silver 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) Fits: '86-'21 XL Models (Exc. '21 Sportster S/RH1250S). Full...$1,008.95 -
S&S Cycle - 910-0692 - Wrinkle Black 1250cc Conversion Kit W/ 11.2:1 5.5cc Domed Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
S&S Cycle
$1,008.95S&S Cycle - 910-0692 - Wrinkle Black 1250cc Conversion Kit W/ 11.2:1 5.5cc Domed Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) Fits: '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)...$1,008.95 -
S&S Cycle - 910-0500 - Black Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,345.95S&S Cycle - 910-0500 - Black Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) Fits: All '07-'17 Twin Cam Models (3.937" Bore, 4⅜"...$1,345.95 -
S&S Cycle - 910-0480 - Silver Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,345.95S&S Cycle - 910-0480 - Silver Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) Fits: All '07-'17 Twin Cam Models (3.937" Bore,...$1,345.95 -
S&S Cycle - 910-0481 - Black Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads)
S&S Cycle
$1,386.95S&S Cycle - 910-0481 - Black Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9...$1,386.95 -
S&S Cycle - 910-0482 - Silver Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads)
S&S Cycle
$1,358.95S&S Cycle - 910-0482 - Silver Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke,...$1,358.95 -
S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,643.95S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...$1,643.95 -
S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,643.95S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...$1,643.95 -
S&S Cycle - 124" Cylinder and Piston Kit fits '07-'17 Twin Cam Engines
S&S Cycle
$1,643.95S&S Cycle - 124" Cylinder and Piston Kit fits '07-'17 Twin Cam Engines This kit is designed to be used with stock heads or S&S heads with a stock bolt pattern and comes complete with fitted 10.9cc...$1,643.95 -
S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits
S&S Cycle
MSRP: $1,058.95$924.95S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits These Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored slightly...MSRP: $1,058.95$924.95 -
S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines This kit can be used to construct an 88" engine, or to replace the cylinders and piston in an engine with an...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Wrinkle Black 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines
S&S Cycle
MSRP: $1,550.95$1,540.95S&S Cycle - Wrinkle Black 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...MSRP: $1,550.95$1,540.95 -
S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines
S&S Cycle
$1,540.95S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into...$1,540.95 -
S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines
S&S Cycle
$840.95S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement cylinders featuring a 3½"...$840.95 -
S&S Cycle - Silver XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models
S&S Cycle
$1,128.95S&S Cycle - Silver 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 prepared for...$1,128.95 -
S&S Cycle - 4⅛" Bore Cylinders fits '99-'06 Twin Cam Engines W/ 124" Hot Set Up Kits
S&S Cycle
$924.95S&S Cycle - 4⅛" Bore Cylinders fits '99-'06 Twin Cam Engines W/ 124" Hot Set Up Kits These Bore Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored...$924.95 -
S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines
S&S Cycle
$840.95S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement...$840.95 -
S&S Cycle - Retro Top-End Conversion Kit for 3.625" Bore Cylinders fits '66-'84 Shovelhead Engines
S&S Cycle
$4,499.95S&S Cycle - Retro Top-End Conversion Kit for 3.625" Bore Cylinders fits '66-'84 Shovelhead Engines Your Shovelhead will achieve the ultimate blast-from-the-past appearance of a Panhead with this...$4,499.95 -
S&S Cycle - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders
S&S Cycle
MSRP: $1,899.95$1,895.95S&S Cycle - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders Features: Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars...MSRP: $1,899.95$1,895.95 -
S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit
S&S Cycle
$409.95S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit Features: Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life Each lifter body and plunger...$409.95 -
S&S Cycle - 90-1293 - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads - Fits '99-'05 Twin Cam Models
S&S Cycle
$1,815.95S&S Cycle - 90-1293 - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads - Fits '99-'05 Twin Cam Models Fits: '99-'05 Twin Cam Models. Full year/model list is on the Fitment tab. S&S Cycle's...$1,815.95 -
S&S Cycle - 31-6294 - Billet Oil Pump Kit W/ Universal Cover - Fits '71-'77 Shovelhead Models
S&S Cycle
$715.95S&S Cycle - 31-6294 - Billet Oil Pump Kit W/ Universal Cover - Fits '71-'77 Shovelhead Models Fits: '71-'77 Shovelhead Models. Full year/model list is on the Fitment tab. This kit comes with the...$715.95 -
S&S Cycle - 31-6307 - High Volume/High Pressure (HVHP) Polished Billet Oil Pumps W/ Universal Cover - Fits '78-'91 Evolution Big Twin Models
S&S Cycle
$715.95S&S Cycle - 31-6307 - High Volume/High Pressure (HVHP) Polished Billet Oil Pumps W/ Universal Cover - Fits '78-'91 Evolution Big Twin Models Fits: '78-'91 Evolution Big Twin Models W/ Universal Cover...$715.95 -
S&S Cycle - Oil Pump fits '17-'23 M8 Water-Cooled Touring Models
S&S Cycle
MSRP: $587.95$495.95S&S Cycle - Oil Pump fits '17-'23 M8 Water-Cooled Touring Models S&S Cycle's Oil Pump for '17-'23 M8 Water-Cooled Touring Models delivers a 44% flow increase on the supply side and a 58% flow...MSRP: $587.95$495.95 -
S&S Cycle - Wrinkle Black Powdercoat 91cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,795.95S&S Cycle - Wrinkle Black Powdercoat 91cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 91cc Super Stock™ Cylinder Heads' high port flow creates...$1,795.95 -
S&S Cycle - 106-3466 - Natural 82 cc Low Compression Performance Replacement Head - Fits '84-'99 Evolution Big Twin Models
S&S Cycle
$1,559.95S&S Cycle - 106-3466 - Natural 82 cc Low Compression Performance Replacement Head - Fits '84-'99 Evolution Big Twin Models Fits: '84-'99 Evolution Big Twin Models. Full year/model list is on the...$1,559.95 -
S&S Cycle - 106-4570 - Black Powdercoat 82 cc Low Compression Performance Replacement Head - Fits '84-'99 Evolution Big Twin Models
S&S Cycle
$1,559.95S&S Cycle - 106-4570 - Black Powdercoat 82 cc Low Compression Performance Replacement Head - Fits '84-'99 Evolution Big Twin Models Fits: '84-'99 Evolution Big Twin Models. Full year/model list is on...$1,559.95 -
S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models
S&S Cycle
$2,149.95S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...$2,149.95 -
S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
MSRP: $2,149.95$1,995.95S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent...MSRP: $2,149.95$1,995.95
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.