Harley Engine
Harley Bike Engine Parts at JJ Motorsports
Rebuild and boost your Harley's engine with premium parts from JJ Motorsports. Our inventory features complete gasket sets, piston kits, oil filters, pushrod tubes, and coolers designed for maximum strength, leak-free sealing, and high-performance in extreme conditions. Compatible with Big Twins, Softail, Touring, and more, these components support top-end overhauls, oil management, and durability for street rides or custom builds.
Shop trusted brands like Drag Specialties for magnetic filters and Wiseco for forged pistons. Explore related categories such as Harley air and fuel for carb tuning or Harley drivetrain for transmission upgrades.
Top Harley Engine Products
- DRAG SPECIALTIES Magnetic Ring Oil Filter - Chrome - 3-1/4" 140003HP-BX18 – Captures metal particles with pressure relief.
- WISECO Piston Kit .010 .883 XL K1656 – Forged aluminum with rings, pins, and circlips for rebuilds.
- DRAG SPECIALTIES Pushrod Tube Kit Big Twin 75711 – Includes tubes, clips, cups, and springs for complete engine.
- ULTRACOOL Below Regulator Mount Oil Cooler Stainless Steel RF-2CSS – Fits S&S 111/124/143 engines with machined adapter.
- PAUGHCO Ribbed Teardrop Air Cleaner 701-200 – Chrome-plated aluminum with mini filter.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
S&S CYCLE 560S Cam - Big Twin 33-5061
S&S CYCLE
MSRP: $255.95Now: $230.36Was: $255.95If you're running a high-compression Big Twin and want measurable power gains where it matters most, the S&S Cycle 560S cam delivers consistent, dyno-proven performance across the rpm range that...DS199191- SKU:
- DS199191
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- APPLICATION:
- INTAKE
- GRIND:
- 560 SERIES
- INTAKE LIFT AT TDC IMPERIAL:
- 0.176'
- EXHAUST LIFT IMPERIAL:
- 0.560'
- APPLICATION:
- EXHAUST
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.172'
- INTAKE LIFT IMPERIAL:
- 0.560'
- PRODUCT NAME:
- CAM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $255.95Now: $230.36Was: $255.95Qty in Cart: 0Quantity:Price:MSRP: $255.95Now: $230.36Was: $255.95Subtotal: -
On Sale
S&S CYCLE Cam Install Kit 33-5175
S&S CYCLE
MSRP: $164.95Now: $148.46Was: $164.95Changing or servicing your Twin Cam camshaft shouldn't require a trip to the dealer for specialty tools. The S&S Cycle Cam Install Kit 33-5175 delivers every component needed for gear- or chain-drive...DS199321- SKU:
- DS199321
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- STYLE:
- CHAIN DRIVE
- UNITS:
- KIT
- APPLICATION:
- CAM
- PRODUCT NAME:
- INSTALLATION KIT
- RIDING STYLE:
- STREET
MSRP: $164.95Now: $148.46Was: $164.95 -
On Sale
S&S CYCLE TAPPET GUIDE SET WBLACK C 33-5324
S&S CYCLE
MSRP: $349.95Now: $314.96Was: $349.95Proper tappet guidance is essential for maintaining precise valve timing and preventing guide wear in high-performance applications. This S&S Cycle set delivers OEM-quality fit and durability in a...09280070- SKU:
- 09280070
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
- TYPE:
- TAPPET
- UNITS:
- EACH
- PRODUCT NAME:
- GUIDE
- RIDING STYLE:
- STREET
MSRP: $349.95Now: $314.96Was: $349.95Qty in Cart: 0Quantity:Price:MSRP: $349.95Now: $314.96Was: $349.95Subtotal: -
On Sale
S&S CYCLE Piston Kit 920-0026
S&S CYCLE
MSRP: $169.95Now: $152.96Was: $169.95If you're running an 883cc or 1200cc Big Twin and want measurable power gains without a complete engine rebuild, a displacement bump to 1250cc delivers real results. The S&S CYCLE 920-0026 piston kit...09104522- SKU:
- 09104522
- Availability:
- Ships Same Business Day
- Weight:
- 2.46 LBS
- DISPLACEMENT:
- 80'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- BORE - OVERSIZE:
- +0,010'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $169.95Now: $152.96Was: $169.95 -
On Sale
S&S CYCLE Electrical Compression Release Unit 90-4914
S&S CYCLE
MSRP: $193.95Now: $174.56Was: $193.95Starting a high-displacement or forced-induction engine shouldn't feel like wrestling a compression spring. The S&S CYCLE Electrical Compression Release Unit eliminates the grueling hand-crank...09300135- SKU:
- 09300135
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- UNITS:
- KIT
- TYPE:
- ELECTRIC
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- COMPRESSION RELEASE ASSEMBLY
MSRP: $193.95Now: $174.56Was: $193.95 -
On Sale
S&S CYCLE Precision Tappet Set 330-0718
S&S CYCLE
MSRP: $279.95Now: $251.96Was: $279.95If you're running a high-revving engine that demands precision valve train control, valve train noise and inconsistent pump-up speed will kill both performance and reliability. The S&S CYCLE...09290085- SKU:
- 09290085
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- STYLE:
- PRECISION
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- TAPPET
MSRP: $279.95Now: $251.96Was: $279.95 -
On Sale
S&S CYCLE Pushrod Tubes - Black 930-0124
S&S CYCLE
MSRP: $203.95Now: $183.56Was: $203.95If you're running black engine covers on your modern Harley-Davidson, mismatched pushrod tubes create a visual disconnect that breaks the cohesive look you've worked to achieve. S&S Cycle's Black...09280100- SKU:
- 09280100
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- PUSHROD TUBES
- UNITS:
- SET
- MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
MSRP: $203.95Now: $183.56Was: $203.95 -
On Sale
S&S CYCLE Pushrods with Tubes - Twin Cam 106-6051
S&S CYCLE
MSRP: $309.95Now: $278.96Was: $309.95Pushrods are critical components in your Twin Cam engine—they transfer valve train motion and must withstand extreme pressures without flex or failure. S&S Cycle's chromoly steel construction...09280023- SKU:
- 09280023
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- PUSHROD KIT
- MATERIAL:
- CHROMOLY STEEL
- MODEL:
- QUICKEE
- RIDING STYLE:
- STREET
- STYLE:
- QUICKEE
- BASE FINISH:
- CHROME
- UNITS:
- KIT
MSRP: $309.95Now: $278.96Was: $309.95Qty in Cart: 0Quantity:Price:MSRP: $309.95Now: $278.96Was: $309.95Subtotal: -
On Sale
S&S CYCLE Oil Pump with Cam Plate 310-0731
S&S CYCLE
MSRP: $836.95Now: $753.26Was: $836.95Stock oil pumps fail under high-RPM and high-lift conditions because they lack the structural integrity and debris protection needed for performance applications. The S&S Cycle oil pump with cam...09320110- SKU:
- 09320110
- Availability:
- Ships Same Business Day
- Weight:
- 4.96 LBS
- UNITS:
- KIT
- COLOR/FINISH:
- BLUE
- TYPE:
- OIL PUMP
- TYPE:
- CAM SUPPORT
- BASE COLOR:
- BLUE
- MATERIAL:
- ALUMINUM
- MODEL:
- TC3
- PRODUCT NAME:
- PLATE
- RIDING STYLE:
- STREET
MSRP: $836.95Now: $753.26Was: $836.95Qty in Cart: 0Quantity:Price:MSRP: $836.95Now: $753.26Was: $836.95Subtotal: -
On Sale
S&S CYCLE Quickee Pushrods - Big Twin 93-5120
S&S CYCLE
MSRP: $224.95Now: $202.46Was: $224.95If you're running Evolution or Twin Cam hydraulic tappets, S&S Cycle Quickee Pushrods eliminate the frustration of removing rocker covers every time you need to adjust or swap them out. The threaded...09280003- SKU:
- 09280003
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- PUSHROD SET
- BASE COLOR:
- BLACK
- MATERIAL:
- CHROMOLY STEEL
- MODEL:
- QUICKEE
- RIDING STYLE:
- STREET
- STYLE:
- ADJUSTABLE
- UNITS:
- SET OF 4
MSRP: $224.95Now: $202.46Was: $224.95 -
On Sale
S&S CYCLE U-Ring - 40-42 mm 16-0242
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95A proper seal between your intake manifold and engine is non-negotiable for consistent performance and reliability. The S&S Cycle U-Ring ensures a leak-free connection that maintains optimal air-fuel...09340666- SKU:
- 09340666
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- INTAKE MANIFOLD
- THICKNESS METRIC:
- 40 MM - 42 MM
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- THICKNESS:
- 40 MM - 42 MM
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
Wiseco Piston Kit with Gaskets for Harley-Davidson Road Glide 1999-2009 VT2797
WISECO
MSRP: $746.95Now: $582.00Was: $746.95A top-end rebuild demands precision components that can withstand sustained high RPM operation and thermal stress. The Wiseco Piston Kit for your Road Glide delivers a complete, engineered solution...09031170- SKU:
- 09031170
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 4-3/4'
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.927'
- DISPLACEMENT:
- 1596 CC
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
MSRP: $746.95Now: $582.00Was: $746.95 -
On Sale
Wiseco Piston Kit 110ci 2011-2013 Harley-Davidson Blackline FXS K1757
WISECO
MSRP: $489.95Now: $370.00Was: $489.95If you're running a 110ci Twin Cam and want pistons that deliver consistent performance without the risk of detonation failure, Wiseco's K1757 kit is built for the demands of serious riding. The...09100838- SKU:
- 09100838
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 110'
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- 0.250'
- BORE SIZE IMPERIAL:
- 4.000'
- MODEL:
- X SERIES
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE - OVERSIZE:
- 0,250'
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $489.95Now: $370.00Was: $489.95 -
On Sale
Wiseco Ring Set 0.010 1979-1985 Harley-Davidson Roadster 1000 XLS 3198X
WISECO
MSRP: $52.95Now: $42.00Was: $52.95Worn or damaged piston rings directly compromise compression, increase blow-by, and rob your engine of power and efficiency. If you're rebuilding your 1979–1985 Harley-Davidson Roadster 1000 XLS, the...3198X- SKU:
- 3198X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- MODEL:
- X-RING
- RING MATERIAL:
- STEEL
- BORE SIZE IMPERIAL:
- 3.198'
- PRODUCT NAME:
- PISTON RING
MSRP: $52.95Now: $42.00Was: $52.95 -
On Sale
Wiseco Piston Kit 1972-1985 Harley-Davidson Sportster 1000 XLH 10:1 Compression K1602
WISECO
MSRP: $378.95Now: $293.00Was: $378.95When you're rebuilding a classic Sportster top end, you need pistons engineered to handle the demands of modern riding while respecting the heritage of your machine. The Wiseco K1602 kit delivers the...K1602- SKU:
- K1602
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- BORE - OVERSIZE:
- +0,020'
- TYPE:
- TOP END
- DISPLACEMENT:
- 1006 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.208'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
MSRP: $378.95Now: $293.00Was: $378.95Qty in Cart: 0Quantity:Price:MSRP: $378.95Now: $293.00Was: $378.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 92" - Natural Silver RP201-218W
REVOLUTION PERFORMANCE, LLC
$1,479.95If you're serious about extracting maximum horsepower from your big-bore build, the Revolution Performance 92" Cylinder Kit eliminates the need for traditional sleeving while delivering measurable...09311059- SKU:
- 09311059
- Availability:
- Ships Same Business Day
- Weight:
- 21.01 LBS
- COLOR/FINISH:
- SILVER
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3-9/16'
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- COMPRESSION RATIO IMPERIAL:
- 10.3:1
- FEATURES:
- FLAT TOP
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- DISPLACEMENT:
- 92'
$1,479.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 92" - Black with Highlighted Fins RP201-220W
REVOLUTION PERFORMANCE, LLC
$1,479.95If you're serious about extracting maximum horsepower from your big-bore build without machine work, the Revolution Performance 92" Cylinder Kit eliminates the compromises that come with traditional...09311060- SKU:
- 09311060
- Availability:
- Ships Same Business Day
- Weight:
- 22.00 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.3:1
- DISPLACEMENT:
- 92'
- FEATURES:
- FLAT TOP
- BORE SIZE IMPERIAL:
- 3-9/16'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
$1,479.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 100" - Natural Silver RP201-209W
REVOLUTION PERFORMANCE, LLC
$1,499.95The Revolution Performance 100" cylinder kit delivers genuine big-displacement power without the drawbacks of traditional sleeving. By utilizing aerospace-grade aluminum with nickel-silicon-carbide...09311061- SKU:
- 09311061
- Availability:
- Ships Same Business Day
- Weight:
- 19.31 LBS
- UNITS:
- KIT
- DISPLACEMENT:
- 100'
- BORE SIZE IMPERIAL:
- 3-7/8'
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- MODEL:
- MONSTER
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
$1,499.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 100" - Black with Highlighted Fins RP201-210W
REVOLUTION PERFORMANCE, LLC
$1,499.95A 100" big-bore cylinder kit demands engineering that can handle serious power without compromise. Revolution Performance's aerospace-grade aluminum construction with nickel-silicon-carbide...09311062- SKU:
- 09311062
- Availability:
- Ships Same Business Day
- Weight:
- 19.56 LBS
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- UNITS:
- KIT
- DISPLACEMENT:
- 100'
- MODEL:
- MONSTER
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3-7/8'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
$1,499.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 109" - Natural Silver RP201-215W
REVOLUTION PERFORMANCE, LLC
$1,499.95If you're serious about extracting maximum displacement and horsepower from your big-twin engine, the Revolution Performance 109" Cylinder Kit eliminates the limitations of traditional sleeved...09311063- SKU:
- 09311063
- Availability:
- Ships Same Business Day
- Weight:
- 20.21 LBS
- COLOR/FINISH:
- SILVER
- UNITS:
- KIT
- MODEL:
- MONSTER
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- BORE SIZE IMPERIAL:
- 3-7/8'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 109'
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
$1,499.95
