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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KIBBLEWHITE Cast Iron Valve Guide 20-4096C
KIBBLEWHITE
$9.67Precision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Overall length of both intake and exhaust is 1.90", Made in the U.S.A.09262794- SKU:
- 09262794
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3755'
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- APPLICATION:
- EXHAUST
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 0.6440'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
$9.67 -
KIBBLEWHITE Intake Valve - 1200 XL 20-20260
KIBBLEWHITE
$54.10One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides resistance to corrosion; wears superior to hard...09262866- SKU:
- 09262866
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- INTAKE
- LENGTH IMPERIAL:
- 4.525'
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMONDâ„¢
- PRODUCT NAME:
- VALVE
- HEAD DIAMETER IMPERIAL:
- 1.805'
- RIDING STYLE:
- STREET
- TULIP ANGLE:
- 28°
- STEM DIAMETER IMPERIAL:
- 7.00 MM
$54.10 -
KIBBLEWHITE Exhaust Valve - 1200 XL 20-20265
KIBBLEWHITE
$54.10One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides resistance to corrosion; wears superior to hard...09262868- SKU:
- 09262868
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- HEAD DIAMETER IMPERIAL:
- 1.575'
- MODEL:
- BLACK DIAMONDâ„¢
- RIDING STYLE:
- STREET
- LENGTH IMPERIAL:
- 4.610'
- TULIP ANGLE:
- 34°
- STEM DIAMETER IMPERIAL:
- 7.00 MM
$54.10 -
KIBBLEWHITE Exhaust Valve - 883/1200 XL 20-20555
KIBBLEWHITE
$54.10One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides resistance to corrosion; wears superior to hard...09262871- SKU:
- 09262871
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- LENGTH IMPERIAL:
- 4.660'
- TULIP ANGLE:
- 40°
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- APPLICATION:
- EXHAUST
- HEAD DIAMETER IMPERIAL:
- 1.480'
- MODEL:
- BLACK DIAMONDâ„¢
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 7.00 MM
- UNITS:
- EACH
$54.10 -
JAMES GASKET Drive Gear Seal - Big Twin 12077
JAMES GASKET
$19.90Top quality main drive gear shaft seals09350405- SKU:
- 09350405
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$19.90 -
JAMES GASKET Solenoid Seal - FL/FLH 60645-65-X
JAMES GASKET
$8.50Made in the U.S.A.09350242- SKU:
- 09350242
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- INNER PRIMARY
- PRODUCT NAME:
- X-RING
- TYPE:
- QUAD SEAL
- APPLICATION:
- SOLENOID
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$8.50 -
JAMES GASKET Fuel Filter O-Ring 11351
JAMES GASKET
$21.50Made in the U.S.A.09350245- SKU:
- 09350245
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- TYPE:
- FUEL PUMP
- UNITS:
- 25 PACK
- APPLICATION:
- FUEL FILTER
$21.50 -
JAMES GASKET Foam Primary Cover Gasket 34955-04-F
JAMES GASKET
$36.95Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.09350249- SKU:
- 09350249
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- FOAMET
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- TYPE:
- PRIMARY COVER
$36.95 -
JAMES GASKET Fork Seal Kit - 49 mm 45849-01-VR
JAMES GASKET
$35.95Comes with everything needed to replace leaking fork seals, Made in the U.S.A.09350253- SKU:
- 09350253
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
$35.95 -
FEULING OIL PUMP CORP. Gear Drive Cam - 630 Series 1010
FEULING OIL PUMP CORP.
$399.95Carburetor and or throttle body work required along with a performance exhaust and intake system, Maintains low end performance with eye-blurring mid and top end power, High-performance valve springs, pushrods and lifters required, 2500-6900+ RPM power...09250431- SKU:
- 09250431
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- PRODUCT NAME:
- CAMSHAFT
- UNITS:
- PAIR
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 19°
- EXHAUST OPEN IMPERIAL:
- 64°
- INTAKE DURATION IMPERIAL:
- 258°
- INTAKE LIFT IMPERIAL:
- 0.630'
- INTAKE OPEN IMPERIAL:
- 20°
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- EXHAUST DURATION IMPERIAL:
- 263°
- GRIND:
- 630 SERIES
- APPLICATION:
- EXHAUST
- EXHAUST LIFT IMPERIAL:
- 0.630'
- INTAKE CLOSE IMPERIAL:
- 58°
- MODEL:
- REAPER
$399.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7210P
FEULING OIL PUMP CORP.
$1,879.95FEULING OIL PUMP CORP. Race Series Camshaft Kit09251381- SKU:
- 09251381
- Availability:
- Ships Same Business Day
- Weight:
- 11.26 LBS
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- GRIND:
- 630 SERIES
$1,879.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7270
FEULING OIL PUMP CORP.
$2,049.95FEULING OIL PUMP CORP. Race Series Camshaft Kit09251417- SKU:
- 09251417
- Availability:
- Ships Same Business Day
- Weight:
- 11.40 LBS
- RIDING STYLE:
- STREET
- GRIND:
- 538 SERIES
- PRODUCT NAME:
- CAMSHAFT KIT
- TYPE:
- CHAIN
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
$2,049.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7270ST
FEULING OIL PUMP CORP.
$2,069.95FEULING OIL PUMP CORP. Race Series Camshaft Kit09251418- SKU:
- 09251418
- Availability:
- Ships Same Business Day
- Weight:
- 11.45 LBS
- PRODUCT NAME:
- CAMSHAFT KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
- TYPE:
- CHAIN
- GRIND:
- 538 SERIES
$2,069.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7271
FEULING OIL PUMP CORP.
$2,049.95FEULING OIL PUMP CORP. Race Series Camshaft Kit09251419- SKU:
- 09251419
- Availability:
- Ships Same Business Day
- Weight:
- 11.70 LBS
- PRODUCT NAME:
- CAMSHAFT KIT
- RIDING STYLE:
- STREET
- GRIND:
- 538 SERIES
- MODEL:
- RACE SERIES®
- TYPE:
- CHAIN
- UNITS:
- KIT
$2,049.95Qty in Cart: 0Quantity:Price:$2,049.95Subtotal: -
FEULING OIL PUMP CORP. Valve Seals 1075
FEULING OIL PUMP CORP.
$15.95High-quality Viton® valve seals, Designed to handle high engine temperatures with a built-in spring-loaded wiper to clean excess oil from valve stem with minimal friction, Include four seals and seal installer tool, Made in the U.S.A.09261166- SKU:
- 09261166
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
$15.95 -
FEULING OIL PUMP CORP. Valve Seals - Twin Cam 1076
FEULING OIL PUMP CORP.
$15.95High-quality Viton® valve seals, Designed to handle high engine temperatures with a built-in spring-loaded wiper to clean excess oil from valve stem with minimal friction, Include four seals and seal installer tool, Made in the U.S.A.09261167- SKU:
- 09261167
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- INTAKE
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- PRODUCT NAME:
- SEAL
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
$15.95 -
ROUGH CRAFTS Black Cam Cover - Grooved RC-610-002
ROUGH CRAFTS
$359.95CNC machined from forged billet aluminum, Designed for M8 Engines, Mounting hardware included09401958- SKU:
- 09401958
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- TYPE:
- CAM
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- STYLE:
- GROOVED
$359.95 -
ROUGH CRAFTS Chrome Cam Cover - Grooved RC-610-003
ROUGH CRAFTS
$359.95CNC machined from forged billet aluminum, Designed for M8 Engines, Mounting hardware included09401959- SKU:
- 09401959
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- TYPE:
- CAM
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- MATERIAL:
- BILLET ALUMINUM
- STYLE:
- GROOVED
$359.95 -
THRASHIN SUPPLY CO. Point Cover - Dish - Polished - Twin Cam TSC-3026-2
THRASHIN SUPPLY CO.
$59.95Made in the U.S.A., 6061 billet aluminum construction09401716- SKU:
- 09401716
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- BILLET ALUMINUM
- TYPE:
- POINT
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- COLOR/FINISH:
- POLISHED
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$59.95 -
THRASHIN SUPPLY CO. Point Cover - Dish - Black - Twin Cam TSC-3026-4
THRASHIN SUPPLY CO.
$59.95Made in the U.S.A., 6061 billet aluminum construction09401717- SKU:
- 09401717
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- BILLET ALUMINUM
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- TYPE:
- POINT
$59.95