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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DRAG SPECIALTIES Oil Tank - Black - Softail 76366B
DRAG SPECIALTIES
$366.71A compromised or aging oil tank compromises engine lubrication reliability and can lead to catastrophic failures. This OEM-equivalent replacement ensures your Softail maintains proper oil circulation and pressure without the guesswork of aftermarket...07100161- SKU:
- 07100161
- Availability:
- Ships Same Business Day
- Weight:
- 8.91 LBS
- BASE FINISH:
- GLOSS
- PRODUCT NAME:
- OIL TANK
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GLOSS BLACK
- TYPE:
- SIDE FILL
- UNITS:
- EACH
- BASE COLOR:
- BLACK
$366.71Qty in Cart: 0Quantity:Price:$366.71Subtotal: -
DRAG SPECIALTIES Oil Tank - Chrome - Sportster 76514
DRAG SPECIALTIES
$210.89Whether you're restoring a classic Sportster or replacing a damaged tank, this Drag Specialties oil tank delivers OE-equivalent reliability without compromise. Built to exact factory specifications, it ensures proper oil capacity and cooling performance...07100046- SKU:
- 07100046
- Availability:
- Ships Same Business Day
- Weight:
- 4.71 LBS
- BASE COLOR:
- SILVER
- CAPACITY IMPERIAL:
- 3 US QUART
- PRODUCT NAME:
- OIL TANK
- RIDING STYLE:
- STREET
- CAPACITY METRIC:
- 2.8 LITER
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- UNITS:
- EACH
- BASE FINISH:
- CHROME
$210.89Qty in Cart: 0Quantity:Price:$210.89Subtotal: -
FEULING OIL PUMP CORP. Plate Bearing Retainer 8001
FEULING OIL PUMP CORP.
$9.95The Feuling Oil Pump Corp. Plate Bearing Retainer 8001 is essential for maintaining proper cam bearing alignment and oil distribution in your Twin Cam engine. A worn or damaged retainer plate compromises bearing support and can lead to premature cam wear...09250437- SKU:
- 09250437
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- RETAINER PLATE
- TYPE:
- BEARING
$9.95 -
FEULING OIL PUMP CORP. Cam Plate Conversion 8011
FEULING OIL PUMP CORP.
$389.95If you're running a Feuling high-flow oil pump on your Twin Cam engine, this cam plate conversion is essential to fully realize its potential. The factory cam plate becomes the bottleneck—it simply can't deliver the increased oil volume to your bearings,...09250440- SKU:
- 09250440
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MATERIAL:
- ALUMINUM
- BASE COLOR:
- RED
- TYPE:
- CHAIN
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- SUPPORT PLATE
- RIDING STYLE:
- STREET
- TYPE:
- HYDRAULIC
- UNITS:
- EACH
$389.95 -
FEULING OIL PUMP CORP. Complete Cam Kit - 525C 7201
FEULING OIL PUMP CORP.
$1,649.95If you're running a Harley with aging oil cooling and pressure issues, the Feuling Complete Cam Kit 525C is a comprehensive solution that addresses multiple pain points in one install. This all-in-one package delivers measurable thermal and pressure...09250533- SKU:
- 09250533
- Availability:
- Ships Same Business Day
- Weight:
- 12.38 LBS
- APPLICATION:
- EXHAUST
- EXHAUST CLOSE IMPERIAL:
- 5°
- EXHAUST LIFT IMPERIAL:
- 0.535'
- GRIND:
- 525 SERIES
- INTAKE DURATION IMPERIAL:
- 226°
- APPLICATION:
- INTAKE
- EXHAUST OPEN IMPERIAL:
- 51°
- MODEL:
- HP+®
- PRODUCT NAME:
- CAM PLATE KIT
- TYPE:
- CHAIN
- INTAKE CLOSE IMPERIAL:
- 42°
- INTAKE LIFT IMPERIAL:
- 0.525'
- UNITS:
- KIT
- EXHAUST DURATION IMPERIAL:
- 236°
- INTAKE OPEN IMPERIAL:
- 4°
- RIDING STYLE:
- STREET
$1,649.95 -
FEULING OIL PUMP CORP. Complete Cam Kit - 574C 7202
FEULING OIL PUMP CORP.
$1,649.95If you're running a Harley-Davidson engine that demands reliable oil delivery, cooler operating temperatures, and consistent pressure under load, the Feuling 574C Complete Cam Kit eliminates the guesswork with a fully engineered, top-to-bottom solution...09250534- SKU:
- 09250534
- Availability:
- Ships Same Business Day
- Weight:
- 10.60 LBS
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.574'
- INTAKE OPEN IMPERIAL:
- 15°
- MODEL:
- HP+®
- EXHAUST CLOSE IMPERIAL:
- 14°
- EXHAUST OPEN IMPERIAL:
- 61°
- GRIND:
- 574 SERIES
- INTAKE LIFT IMPERIAL:
- 0.574'
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 255°
- PRODUCT NAME:
- CAM PLATE KIT
- TYPE:
- CHAIN
- INTAKE CLOSE IMPERIAL:
- 45°
- INTAKE DURATION IMPERIAL:
- 240°
- RIDING STYLE:
- STREET
$1,649.95Qty in Cart: 0Quantity:Price:$1,649.95Subtotal: -
FEULING OIL PUMP CORP. Camshaft Installation Kit - Gear Drive 2061
FEULING OIL PUMP CORP.
$163.95A proper camshaft installation sets the foundation for reliable engine performance and longevity. This comprehensive kit eliminates guesswork by bundling all necessary fasteners, bearings, gaskets, and sealants in one package, saving you time on sourcing...09250535- SKU:
- 09250535
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- INSTALLATION KIT
- RIDING STYLE:
- STREET
- TYPE:
- CAMSHAFT
- TYPE:
- GEAR
- MODEL:
- PLUS
- UNITS:
- KIT
$163.95 -
FEULING OIL PUMP CORP. Beehive Valve Springs 1100
FEULING OIL PUMP CORP.
$379.95High-rpm stability and reliability demand valve springs engineered for extreme duty. Feuling's Beehive design uses premium hi-tensile chrome silicon wire with shot-peening and thermal treatment to handle aggressive cam profiles without fatigue failure...09260851- SKU:
- 09260851
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- STYLE:
- OVATE WIRE BEEHIVE
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- COLLAR MATERIAL:
- TITANIUM
- MODEL:
- ENDURANCE BEEHIVE
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,650'
- STEM DIAMETER METRIC:
- 7.056 MM
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- SPRING LIFT IMPERIAL:
- 0.650'
- TYPE:
- VALVE
$379.95 -
FEULING OIL PUMP CORP. Beehive Valve Springs 1105
FEULING OIL PUMP CORP.
$379.95High-RPM V-Twin engines demand valve springs engineered to handle sustained load cycles without compromising response. Feuling's Beehive springs deliver the seat pressure and fatigue resistance required for aggressive cam profiles while maintaining the...09260852- SKU:
- 09260852
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- RIDING STYLE:
- STREET
- STYLE:
- OVATE WIRE BEEHIVE
- APPLICATION:
- EXHAUST
- COLLAR MATERIAL:
- TITANIUM
- STEM DIAMETER METRIC:
- 7.00 MM
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING KIT
- MATERIAL:
- STEEL
- MODEL:
- ENDURANCE BEEHIVE
- SPRING LIFT:
- 0,650'
- SPRING LIFT IMPERIAL:
- 0.650'
- UNITS:
- KIT
$379.95 -
FEULING OIL PUMP CORP. Valve Springs - High-Load 1200
FEULING OIL PUMP CORP.
$389.95If you're running a high-lift, steep-ramped cam on your Big Twin or Twin Cam, your factory valve springs are a liability. The FEULING High-Load 1200 springs are engineered to handle extreme valve events without failure, delivering the fatigue resistance...09260853- SKU:
- 09260853
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- MODEL:
- HIGH-LOAD BEEHIVE
- RIDING STYLE:
- STREET
- SPRING LIFT IMPERIAL:
- 0.750'
- PRODUCT NAME:
- SPRING KIT
- APPLICATION:
- EXHAUST
- COLLAR MATERIAL:
- TITANIUM
- SPRING LIFT:
- 0,750'
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- STEM DIAMETER IMPERIAL:
- 0.3125'
- TYPE:
- VALVE
- UNITS:
- KIT
$389.95Qty in Cart: 0Quantity:Price:$389.95Subtotal: -
FEULING OIL PUMP CORP. Valve Springs - Twin Cam 1205
FEULING OIL PUMP CORP.
$379.95High-lift camshafts demand valve springs engineered to handle extreme pressures without failure. The Feuling BeeHive® Valve Spring Kit delivers dyno-proven, track-tested performance with premium materials and precision engineering designed specifically...09260854- SKU:
- 09260854
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- SPRING LIFT:
- 0,750'
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- MODEL:
- HIGH-LOAD BEEHIVE
- SPRING LIFT IMPERIAL:
- 0.750'
- TYPE:
- VALVE
- APPLICATION:
- EXHAUST
- COLLAR MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
- STEM DIAMETER METRIC:
- 7.00 MM
$379.95 -
FEULING OIL PUMP CORP. Valve Spring Shims 1218
FEULING OIL PUMP CORP.
$18.95Valve spring shims are critical for dialing in your valvetrain geometry—mismatched spring heights directly compromise lift accuracy, stability, and engine reliability. Getting the open height spec right to peak camshaft lift prevents premature wear,...09300155- SKU:
- 09300155
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- UNITS:
- 2 PACK
$18.95 -
FEULING OIL PUMP CORP. Valve Sprint Shims 1217
FEULING OIL PUMP CORP.
$14.95Proper valve spring seat height is critical to maintaining valvetrain stability and extracting maximum performance from your camshaft. If your springs aren't set to the correct open height, you risk valve float, reduced lift, and potential engine damage...09300237- SKU:
- 09300237
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- PRODUCT NAME:
- SHIM
$14.95 -
FEULING OIL PUMP CORP. Race Series Oil System Kit 7077ST
FEULING OIL PUMP CORP.
$1,059.95An undersized or inefficient oiling system is a silent killer for high-displacement Twin Cam engines—robbing you of power, reliability, and longevity. The Feuling Race Series Oil System Kit 7077ST eliminates wet sumping, reduces engine and oil...09320292- SKU:
- 09320292
- Availability:
- Ships Same Business Day
- Weight:
- 6.25 LBS
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- OIL SYSTEM
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$1,059.95 -
FEULING OIL PUMP CORP. Race Series Oil System Kit 7097ST
FEULING OIL PUMP CORP.
$1,229.95An efficient oiling system is foundational to engine reliability and performance—yet many stock setups fall short under sustained load. The Feuling Oil Pump Corp. Race Series Kit 7097ST eliminates common issues like wet sumping and oil starvation while...09320293- SKU:
- 09320293
- Availability:
- Ships Same Business Day
- Weight:
- 6.25 LBS
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- OIL SYSTEM
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$1,229.95 -
FEULING OIL PUMP CORP. Race Series Oil System Kit 7099ST
FEULING OIL PUMP CORP.
$1,229.95If you're running a Twin-Cam engine, oil management directly impacts reliability, temperature stability, and power output. The Feuling Race Series Oil System Kit 7099ST consolidates all necessary components into one complete package, delivering...09320294- SKU:
- 09320294
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- RIDING STYLE:
- STREET
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- OIL SYSTEM
- UNITS:
- KIT
$1,229.95 -
FEULING OIL PUMP CORP. Oil Pump with Cam Plate - HP+‚® - M8 7198
FEULING OIL PUMP CORP.
$829.95Factory oil systems on M-Eight engines compromise cooling, pressure stability, and longevity—especially under sustained performance riding or racing conditions. The Feuling HP+ Oil Pump with High Flow camplate eliminates these limitations by delivering...09320230- SKU:
- 09320230
- Availability:
- Ships Same Business Day
- Weight:
- 4.56 LBS
- COLOR/FINISH:
- RED
- UNITS:
- KIT
- MODEL:
- HP+®
- PRODUCT NAME:
- PUMP KIT
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- BASE COLOR:
- RED
$829.95 -
FEULING OIL PUMP CORP. Race Oil Pump with Plate - M8 Water Cooled 7199
FEULING OIL PUMP CORP.
$929.95Stock M-Eight oiling systems leave performance and reliability on the table—inadequate oil volume, pressure inconsistencies, and thermal management issues compromise both power output and engine longevity. The Feuling Race Oil Pump with Plate solves...09320231- SKU:
- 09320231
- Availability:
- Ships Same Business Day
- Weight:
- 4.61 LBS
- PRODUCT NAME:
- PUMP
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- COLOR/FINISH:
- RED
- UNITS:
- KIT
- BASE COLOR:
- RED
$929.95 -
FEULING OIL PUMP CORP. Pressure Relief Spring - M8 - 6 Pack 8027
FEULING OIL PUMP CORP.
$26.95Oil pump pressure relief springs are critical wear items that directly impact your engine's oil pressure stability and component protection. A worn or degraded spring compromises valve function, leading to inconsistent pressure readings and potential...09320233- SKU:
- 09320233
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 6 PACK
- TYPE:
- OIL PUMP
- PRODUCT NAME:
- RELIEF VALVE SPRING
$26.95 -
FEULING OIL PUMP CORP. Oil Pump - HP+‚® - M8 7019
FEULING OIL PUMP CORP.
$449.95The factory oiling system on M8 Harley engines leaves performance and engine longevity on the table. This Feuling HP+ oil pump directly addresses pressure loss, inadequate scavenging, and thermal buildup by increasing oil volume and flow throughout...09320215- SKU:
- 09320215
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MODEL:
- HP+®
- PRODUCT NAME:
- PUMP
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- UNITS:
- KIT
$449.95
