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
-
On Sale
GOODRIDGE Universal Oil Line - 19" VTOL-019
GOODRIDGE
MSRP: $44.95Now: $40.46Was: $44.95Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110144- SKU:
- 07110144
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- LENGTH METRIC:
- 48.5 CM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- BRAIDED
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- LENGTH IMPERIAL:
- 19'
- PRODUCT NAME:
- LINE
MSRP: $44.95Now: $40.46Was: $44.95 -
On Sale
GOODRIDGE Universal Oil Line - 20" VTOL-020
GOODRIDGE
MSRP: $44.95Now: $40.46Was: $44.95Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110145- SKU:
- 07110145
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- BRAIDED
- COLOR/FINISH:
- CHROME
- LENGTH METRIC:
- 51 CM
- LENGTH IMPERIAL:
- 20'
- PRODUCT NAME:
- LINE
MSRP: $44.95Now: $40.46Was: $44.95Qty in Cart: 0Quantity:Price:MSRP: $44.95Now: $40.46Was: $44.95Subtotal: -
On Sale
GOODRIDGE Universal Oil Line - 21" VTOL-021
GOODRIDGE
MSRP: $45.95Now: $41.36Was: $45.95Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110146- SKU:
- 07110146
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STYLE:
- BRAIDED
- BASE COLOR:
- SILVER
- LENGTH IMPERIAL:
- 21'
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- LENGTH METRIC:
- 53.5 CM
- PRODUCT NAME:
- LINE
MSRP: $45.95Now: $41.36Was: $45.95Qty in Cart: 0Quantity:Price:MSRP: $45.95Now: $41.36Was: $45.95Subtotal: -
On Sale
GOODRIDGE Universal Oil Line - 24" VTOL-024
GOODRIDGE
MSRP: $47.95Now: $43.16Was: $47.95Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110147- SKU:
- 07110147
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE COLOR:
- SILVER
- LENGTH IMPERIAL:
- 24'
- LENGTH METRIC:
- 61 CM
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- STYLE:
- BRAIDED
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- LINE
MSRP: $47.95Now: $43.16Was: $47.95 -
On Sale
GOODRIDGE 45 Degree Oil Line Fitting - 1/8" NPT 823-06-02SCH
GOODRIDGE
MSRP: $14.95Now: $13.46Was: $14.95A precision 45-degree oil line fitting is essential for routing high-pressure oil systems in tight engine bays without kinks or flow restrictions. This stainless steel female fitting integrates seamlessly with braided hose assemblies to create reliable,...07110151- SKU:
- 07110151
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- FITTING ANGLE:
- 45°
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL LINE
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- FITTING CONNECTOR TYPE:
- 1/8' NPT
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
MSRP: $14.95Now: $13.46Was: $14.95 -
On Sale
GOODRIDGE 45 Degree Oil Line Fitting - Black P1136-4506BK
GOODRIDGE
MSRP: $26.95Now: $24.26Was: $26.95Easy-to-assemble high-quality oil lines and fittings, Fittings meet 96-hour salt spray testing and ship complete with sealing ferrule07110201- SKU:
- 07110201
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- ANODIZED
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL LINE
- FITTING ANGLE:
- 45°
- FITTING CONNECTOR TYPE:
- STANDARD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
MSRP: $26.95Now: $24.26Was: $26.95 -
On Sale
GOODRIDGE 90 Degree Oil Line Fitting - Black P1136-9006BK
GOODRIDGE
MSRP: $26.95Now: $24.26Was: $26.95Easy-to-assemble high-quality oil lines and fittings, Fittings meet 96-hour salt spray testing and ship complete with sealing ferrule07110202- SKU:
- 07110202
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- COLOR/FINISH:
- BLACK
- FITTING ANGLE:
- 90°
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL LINE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- FITTING CONNECTOR TYPE:
- STANDARD
- BASE COLOR:
- BLACK
- BASE FINISH:
- ANODIZED
MSRP: $26.95Now: $24.26Was: $26.95Qty in Cart: 0Quantity:Price:MSRP: $26.95Now: $24.26Was: $26.95Subtotal: -
JAGG OIL COOLERS Universal Hose Clamp - Black - 10-Pack HC78-10
JAGG OIL COOLERS
$13.95Secure hose connections are non-negotiable in high-performance cooling systems, where pressure spikes and vibration can compromise integrity. These stainless steel clamps deliver reliable clamping force across a wide range of hose diameters, eliminating...07130055- SKU:
- 07130055
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- OIL COOLER
- UNITS:
- 10 PACK
- OUTSIDE DIAMETER IMPERIAL:
- 3/8'
- PRODUCT NAME:
- HOSE CLAMP
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
- BASE COLOR:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 9.5 MM
$13.95 -
JAMES GASKET Oil Pump Shaft Seal - XL/Big Twin 26227-58
JAMES GASKET
$18.70An oil pump shaft seal failure in your XL or Big Twin engine means catastrophic oil loss and potential engine seizure—and it's one of the most common wear points on Harley powerplants. The JAMES GASKET Oil Pump Shaft Seal replaces the OEM component with...DS194425- SKU:
- DS194425
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- OIL PUMP
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$18.70 -
On Sale
JAMES GASKET Front Oil Pump O-Ring 10967
JAMES GASKET
Now: $4.00Was: $6.20A failing front oil pump O-ring doesn't just leak—it compromises your engine's lubrication system when you need it most. The JAMES GASKET Front Oil Pump O-Ring 10967 is engineered to seal tight under pressure, preventing oil loss that can lead to...09351086- SKU:
- 09351086
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- TYPE:
- OIL PUMP CAP
Now: $4.00Was: $6.20 -
On Sale
JAMES GASKET Oil Pump Valve O-Ring 10971
JAMES GASKET
MSRP: $3.95Now: $3.00Was: $5.20A properly functioning oil pump valve is critical to maintaining consistent oil pressure and protecting your engine's internal components from starvation and wear. This JAMES GASKET O-ring replacement ensures a reliable seal in your oil pump valve...09351088- SKU:
- 09351088
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- OIL PUMP VALVE
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
MSRP: $3.95Now: $3.00Was: $5.20 -
JAMES GASKET Oil Line O-Ring - Softail 11326
JAMES GASKET
$8.40Oil line O-rings are critical wear items that prevent leaks at connection points and maintain system pressure integrity. A failed or degraded O-ring compromises oil delivery, increases contamination risk, and can lead to catastrophic engine damage. The...09350281- SKU:
- 09350281
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 10 PACK
- APPLICATION:
- MOTOR
- APPLICATION:
- OIL LINE
- PRODUCT NAME:
- O-RING
$8.40 -
JAMES GASKET Interconnect Oil Seal 45359-00
JAMES GASKET
$20.30Prevent costly oil leakage and internal contamination with the JAMES GASKET Interconnect Oil Seal 45359-00, engineered to maintain pressure integrity across critical engine passages. This OEM-grade seal is essential for preserving hydraulic separation...09350252- SKU:
- 09350252
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CHAIN GUIDE SUPPORT
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- APPLICATION:
- ENGINE BALANCER
- RIDING STYLE:
- STREET
$20.30 -
JAMES GASKET Oil Retain Gasket - XL 35169-52-F
JAMES GASKET
$7.80A compromised oil seal leads to messy leaks, lost lubrication, and potential engine damage—especially under the demanding conditions of track use or high-performance builds. The JAMES GASKET Oil Retain Gasket XL delivers a positive, long-lasting seal...09344643- SKU:
- 09344643
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- FOAMET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- GASKET
- TYPE:
- OIL SEAL RETAINER
$7.80 -
JAMES GASKET Oil Pump Gasket Kit HVHP
JAMES GASKET
$20.95A failing oil pump gasket compromises your engine's lubrication system, risking catastrophic bearing wear and complete engine failure. The JAMES GASKET Oil Pump Gasket Kit HVHP gives you everything needed to fully rebuild or rebush your oil pump,...09341552- SKU:
- 09341552
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- OIL PUMP
$20.95 -
COMETIC Complete Gasket Kit C9748F
COMETIC
$356.95A complete gasket kit eliminates the guesswork when rebuilding or refreshing your engine—you get every seal you need in one package, engineered to hold pressure and prevent leaks across the entire motor. COMETIC's C9748F uses application-specific...09340815- SKU:
- 09340815
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- BORE SIZE:
- 3,500'
- BORE SIZE IMPERIAL:
- 3.500'
- MATERIAL:
- STEEL
- MATERIAL:
- VITON
- TYPE:
- COMPLETE
- UNITS:
- KIT
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- THICKNESS IMPERIAL:
- 0,040'
- THICKNESS METRIC:
- 1.02 MM
$356.95 -
COMETIC Top End Gasket - 3-13/16" C9969
COMETIC
$135.40A compromised top end gasket kit leaves your engine vulnerable to combustion leakage, coolant seepage, and catastrophic thermal failure—especially under sustained boost or high RPM loads. The COMETIC C9969 EST gasket set eliminates these risks by...09340820- SKU:
- 09340820
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE:
- 3,8125'
- MATERIAL:
- FOAM
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- MATERIAL:
- VITON
- TYPE:
- TOP END
- BORE SIZE IMPERIAL:
- 3.8125'
- UNITS:
- KIT
$135.40 -
COMETIC Trans Gasket - Big Twin C9469
COMETIC
$81.85Transmission gasket failures lead to fluid leaks, loss of hydraulic pressure, and catastrophic drivetrain damage—especially in high-performance Big Twin applications where tolerances are unforgiving. The COMETIC Trans Gasket C9469 eliminates guesswork by...09340824- SKU:
- 09340824
- Availability:
- Ships Same Business Day
- Weight:
- 1.22 LBS
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
$81.85 -
COMETIC Trans Gasket - Twin Cam C9639
COMETIC
$47.20Transmission gasket failures compromise seal integrity and lead to costly fluid leaks and internal damage. The COMETIC Trans Gasket C9639 delivers application-specific engineering with precision-fitted materials designed to maintain reliable sealing...09340826- SKU:
- 09340826
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
$47.20Qty in Cart: 0Quantity:Price:$47.20Subtotal: -
COMETIC Trans Gasket - Big Twin C9464F
COMETIC
$45.10Transmission gasket failure is one of the most common reasons for fluid leaks and costly rebuilds on Big Twin engines. The COMETIC Trans Gasket C9464F eliminates guesswork by providing a complete, application-specific seal kit engineered to withstand the...09340827- SKU:
- 09340827
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
$45.10
