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
-
FEULING OIL PUMP CORP. Camshafts - 580 Series 1377
FEULING OIL PUMP CORP.
$459.95If you're serious about extracting peak horsepower from your engine and pushing your powerband into the upper RPM range, the FEULING OIL PUMP CORP. 580 Series Camshaft is engineered for exactly that goal. This is a purpose-built upgrade for riders...09250894- SKU:
- 09250894
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- EXHAUST DURATION IMPERIAL:
- 268°
- MODEL:
- REAPER
- EXHAUST OPEN IMPERIAL:
- 67°
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- EXHAUST CLOSE IMPERIAL:
- 21°
- INTAKE CLOSE IMPERIAL:
- 57°
- INTAKE LIFT IMPERIAL:
- 0.580'
- PRODUCT NAME:
- CAMSHAFT
- UNITS:
- SET
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.580'
- GRIND:
- 580 SERIES
- INTAKE DURATION IMPERIAL:
- 258°
- INTAKE OPEN IMPERIAL:
- 21°
- TYPE:
- GEAR
$459.95 -
FRAM Oil Filter - Twin Cam PH6065B
FRAM
$30.94A quality oil filter is foundational to engine longevity—it's your first line of defense against microscopic contaminants that accelerate wear on critical components. The FRAM PH6065B delivers reliable filtration for Twin Cam applications, trapping...07120369- SKU:
- 07120369
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- CELLULOSE AND GLASS BLEND
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
$30.94Qty in Cart: 0Quantity:Price:$30.94Subtotal: -
JAMES GASKET Oil Pan Gasket - Twin Cam 26077-99
JAMES GASKET
$33.90A leaking oil pan gasket compromises engine sealing and invites costly oil loss and potential engine damage. The JAMES GASKET Oil Pan Gasket for Twin Cam engines delivers a reliable, OEM-quality seal that restores your engine's integrity without...09342877- SKU:
- 09342877
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- OIL PAN
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$33.90 -
JAMES GASKET Oil Deflector Seal Kit 60518-65-DLK
JAMES GASKET
$25.94Oil deflector seals are critical to preventing crankcase blow-by and oil leakage at the crankshaft—two issues that compromise engine efficiency and create messy underhood conditions. The JAMES GASKET Oil Deflector Seal Kit 60518-65-DLK is engineered to...09342119- SKU:
- 09342119
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- STARTER HOUSING
- TYPE:
- SHIFT LEVER
$25.94 -
JAMES GASKET O-Rings for Oil Filler Plug - 10-Pack 11345
JAMES GASKET
$9.10Oil filler plugs are a common point of leakage in high-performance engines where vibration and thermal cycling stress factory seals. The JAMES GASKET O-Rings provide a reliable, cost-effective solution to prevent oil seepage and maintain clean engine...07100125- SKU:
- 07100125
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- BASE COLOR:
- BLACK
- STYLE:
- SOFTAIL (SWING ARM)
- TYPE:
- OIL FILLER PLUG
- PRODUCT NAME:
- O-RING
- COLOR/FINISH:
- BLACK
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$9.10 -
JAMES GASKET Oil Pump Gasket MET Kit - Big Twin 92-FLHR
JAMES GASKET
$17.95A properly functioning oil pump is critical to engine longevity—inadequate oil delivery leads to bearing wear, sludge buildup, and catastrophic failure. The JAMES GASKET Oil Pump Gasket MET Kit provides everything needed to fully rebuild or rebush your...DS173382- SKU:
- DS173382
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
$17.95 -
JAMES GASKET Oil Pump Gasket - XL 26495-89
JAMES GASKET
$9.60A failing oil pump gasket compromises your engine's lubrication system, risking catastrophic bearing damage and complete engine failure. The JAMES GASKET Oil Pump Gasket XL 26495-89 is engineered to maintain a reliable seal under sustained pressure and...DS174876- SKU:
- DS174876
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- GASKET
- STYLE:
- MOUNT
- TYPE:
- OIL PUMP
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
$9.60 -
JAMES GASKET Oil Pan Gasket - FXD 26072-90
JAMES GASKET
$35.10A leaking oil pan gasket compromises engine seal integrity and risks catastrophic oil loss during operation. The JAMES GASKET Oil Pan Gasket is engineered to OEM specifications, ensuring reliable sealing under sustained heat cycles and pressure...DS174877- SKU:
- DS174877
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- OIL PAN
- UNITS:
- 10 PACK
- DISPLACEMENT:
- 1340 CC
$35.10Qty in Cart: 0Quantity:Price:$35.10Subtotal: -
JAMES GASKET Oil Spout Gasket - FXD 62423-90
JAMES GASKET
$17.70An oil spout gasket might seem like a minor component, but a failed seal here means oil leaks, contamination, and potential engine damage. The JAMES GASKET Oil Spout Gasket for FXD models delivers a reliable, OEM-quality seal that keeps your crankcase...DS174879- SKU:
- DS174879
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- PRODUCT NAME:
- GASKET
- TYPE:
- OIL FILLER
$17.70 -
JAMES GASKET Mainshaft Oil Seal Cork 35231-36
JAMES GASKET
$11.70A leaking mainshaft oil seal can lead to catastrophic engine damage and loss of performance on the track or street. The JAMES GASKET Mainshaft Oil Seal Cork 35231-36 is engineered to maintain a reliable seal under high-RPM conditions, preventing oil loss...DS174892- SKU:
- DS174892
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- MAINSHAFT
- UNITS:
- 10 PACK
- PRODUCT NAME:
- WASHER
- RIDING STYLE:
- STREET
$11.70 -
JAMES GASKET Outer Oil Pump O-Ring - Twin Cam 11286
JAMES GASKET
$10.60A failing oil pump O-ring compromises your Twin Cam engine's lubrication system, risking catastrophic bearing damage and catastrophic failure at high RPM. JAMES GASKET's OEM-equivalent outer oil pump O-ring ensures a perfect seal, maintaining consistent...DS173204- SKU:
- DS173204
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- O-RING
- APPLICATION:
- OIL PUMP
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 10 PACK
$10.60 -
JAMES GASKET Oil Pump Inner Small O-Ring 11301
JAMES GASKET
$6.30A properly sealed oil pump is critical to maintaining consistent oil pressure and preventing internal leaks that compromise engine reliability. The JAMES GASKET Oil Pump Inner Small O-Ring is precision-engineered to ensure a tight seal within your oil...DS173213- SKU:
- DS173213
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- APPLICATION:
- OIL PUMP
- UNITS:
- 10 PACK
$6.30 -
JAMES GASKET Oil Line Seal - XL/Big Twin 63529-57
JAMES GASKET
$6.50Oil line seals are critical to preventing pressurized fluid leaks at connection points—a failure here means contamination, performance loss, and potential engine damage. The JAMES GASKET Oil Line Seal is engineered to maintain a reliable, leak-free seal...DS174310- SKU:
- DS174310
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- OIL LINE
- UNITS:
- 25 PACK
$6.50 -
JAMES GASKET Oil Pump Check Valve O-Ring 26433-77
JAMES GASKET
$15.70A failing oil pump check valve O-ring compromises your engine's oil pressure regulation and can lead to inadequate lubrication under load. This JAMES GASKET replacement ensures reliable pressure holding and consistent oil delivery to critical engine...DS174323- SKU:
- DS174323
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- OIL PUMP
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- APPLICATION:
- CHECK VALVE
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$15.70 -
JAMES GASKET Oil Pump Plug O-Ring - M8 JGI-11900010
JAMES GASKET
$7.70A quality oil pump plug o-ring is essential for maintaining a reliable seal and preventing costly oil leaks that can compromise engine performance and cleanliness. This JAMES GASKET component ensures consistent pressure retention and durability under...09350988- SKU:
- 09350988
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- UNITS:
- 10 PACK
$7.70 -
JAMES GASKET Oil Pump Outer O-Ring - M8 JGI-11900103
JAMES GASKET
$4.30A worn or compromised oil pump outer O-ring compromises your engine's lubrication system, risking catastrophic bearing failure and costly downtime. This JAMES GASKET replacement O-ring restores a proper seal, ensuring consistent oil pressure delivery to...09350989- SKU:
- 09350989
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- MATERIAL:
- RUBBER
- UNITS:
- 10 PACK
$4.30 -
On Sale
JAMES GASKET Oil Pump Cover O-ring 10966
JAMES GASKET
Now: $5.00Was: $7.70A properly sealed oil pump cover is critical to maintaining system pressure and preventing costly leaks that compromise engine performance. The JAMES GASKET Oil Pump Cover O-ring (10966) delivers OEM-equivalent sealing reliability with the durability you...09346488- SKU:
- 09346488
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- TYPE:
- OIL PUMP COVER
- UNITS:
- EACH
Now: $5.00Was: $7.70 -
JAMES GASKET Oil Deflector Seal 60518-65-DL
JAMES GASKET
$14.95Oil leaks compromise engine performance and create costly maintenance headaches. The JAMES GASKET Oil Deflector Seal 60518-65-DL prevents oil seepage at critical engine junction points, maintaining proper lubrication flow and protecting your engine bay...09350092- SKU:
- 09350092
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- APPLICATION:
- DEFLECTOR PLATE
$14.95 -
K & N Oil Filter - Black - Evolution KN-170
K & N
$17.99Synthetic racing oils demand a filter engineered for their unique demands—standard filters simply can't keep pace with the higher flow rates and extreme conditions. The K&N KN-170 pairs premium synthetic media with a high-capacity pleated design to...KN170- SKU:
- KN170
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- COLOR/FINISH:
- BLACK
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- MODEL:
- WRENCH-OFF
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
- LENGTH METRIC:
- 94 MM
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- BASE FINISH:
- COATED
- STYLE:
- PREMIUM
- UNITS:
- EACH
$17.99 -
COLONY Cylinder Stud Set - 1930-1977 Big Twin 8856-8
COLONY
$39.95A reliable cylinder stud set is critical to maintaining head gasket integrity and preventing catastrophic engine failure on your Big Twin. Original studs can lose tension over time, leading to compression loss and potential coolant leakage. The COLONY...DS189956- SKU:
- DS189956
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- UNITS:
- 8 PACK
- TYPE:
- CYLINDER
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- STUD SET
- RIDING STYLE:
- STREET
$39.95
