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 Valve Kit - Sportster 20-22300
KIBBLEWHITE
$142.70Valve degradation is one of the fastest ways to lose performance and reliability in your Sportster engine. The KIBBLEWHITE Valve Kit equips your engine with Black Diamond™ stainless steel valves engineered to withstand high-temperature cycling, fuel...09263207- SKU:
- 09263207
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- VALVE KIT
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$142.70 -
KIBBLEWHITE Complete Valve Kit 20-22350
KIBBLEWHITE
$247.99A complete valve kit built for reliability and longevity, the KIBBLEWHITE 20-22350 handles the critical components that directly impact combustion efficiency and engine durability. This is the smart choice when you're rebuilding an engine and refuse to...09263208- SKU:
- 09263208
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.400'
- SPRING SEAT PRESSURE:
- 95 LB
- UNITS:
- KIT
- SPRING OPEN PRESSURE:
- 325 LB
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,400'
$247.99 -
KIBBLEWHITE Complete Valve Kit - Evolution 20-22650
KIBBLEWHITE
$246.98A complete valve kit engineered for reliability and longevity, the KIBBLEWHITE Evolution 20-22650 addresses the critical wear points in your engine's valvetrain. Valve degradation leads to compression loss, rough idle, and reduced power—this kit...09263210- SKU:
- 09263210
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 361 LB
- SPRING LIFT IMPERIAL:
- 0.600'
- UNITS:
- KIT
- MODEL:
- BLACK DIAMOND™
- SPRING SEAT PRESSURE:
- 163 LB
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT:
- 0,600'
$246.98 -
KIBBLEWHITE Valve Kit - Evolution/883 20-22700
KIBBLEWHITE
$142.70Valve degradation is one of the fastest ways to lose compression and performance in your Evolution or 883 engine. The KIBBLEWHITE Valve Kit delivers Black Diamond™ stainless steel valves engineered with a proprietary impregnation process that cuts...09263211- SKU:
- 09263211
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
- UNITS:
- KIT
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$142.70 -
KIBBLEWHITE Complete Valve Kit - Evolution/883 20-22750
KIBBLEWHITE
$274.84Factory valve kits deteriorate from heat cycling and fuel exposure, leading to reduced compression and power loss over time. The KIBBLEWHITE Complete Valve Kit restores your Evolution/883's combustion efficiency with precision-engineered components that...09263212- SKU:
- 09263212
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- SPRING SEAT PRESSURE:
- 163 LB
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- ENGINE KIT
- SPRING OPEN PRESSURE:
- 361 LB
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,600'
- SPRING LIFT IMPERIAL:
- 0.600'
$274.84 -
KIBBLEWHITE Exhaust Valve - Standard - M8 20-21016H
KIBBLEWHITE
$32.78OEM exhaust valves are a wear item that compromises performance as they degrade. Kibblewhite's Black Diamond valves are one-piece forgings engineered to outlast stock components while maintaining precise sealing under extreme combustion pressures. If...09263306- SKU:
- 09263306
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- HEAD DIAMETER IMPERIAL:
- 1.264'
- LENGTH IMPERIAL:
- 4.050'
- TULIP ANGLE:
- 24°
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.2342'
- UNITS:
- EACH
$32.78 -
KIBBLEWHITE Engine Kit - Knucklehead 20-22050
KIBBLEWHITE
$225.66A Knucklehead engine demands precision valve train components that can withstand extreme combustion pressures and extended service intervals. The KIBBLEWHITE Engine Kit delivers factory-backed reliability with premium stainless steel valves and proven...09263308- SKU:
- 09263308
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 270 LB
- SPRING LIFT:
- 0,415'
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING SEAT PRESSURE:
- 127 LB
- UNITS:
- KIT
$225.66 -
KIBBLEWHITE Valve Kit - Panhead 20-22100
KIBBLEWHITE
$117.85The Kibblewhite Valve Kit ensures reliable, long-term performance in your Panhead engine by combining precision engineering with superior material science. Black Diamond™ stainless steel valves resist corrosion and wear far better than standard...09263309- SKU:
- 09263309
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- VALVE KIT
$117.85 -
KIBBLEWHITE Engine Kit - Panhead 20-22150
KIBBLEWHITE
$235.80Your Panhead engine demands valve components engineered to withstand high RPMs and extreme temperatures without sacrificing longevity. The KIBBLEWHITE Engine Kit delivers OEM-quality valve assemblies with proprietary impregnation that reduces friction...09263310- SKU:
- 09263310
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 272 LB
- SPRING SEAT PRESSURE:
- 129 LB
- UNITS:
- KIT
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING LIFT:
- 0,415'
$235.80 -
KIBBLEWHITE Engine Kit - XL 20-22250
KIBBLEWHITE
$247.99A complete valve train refresh is essential for maintaining peak engine performance and reliability, especially in high-demand racing and performance applications. The KIBBLEWHITE Engine Kit delivers factory-quality valve components engineered to reduce...09263312- SKU:
- 09263312
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- SPRING LIFT:
- 0,400'
- SPRING OPEN PRESSURE:
- 325 LB
- RIDING STYLE:
- STREET
- SPRING LIFT IMPERIAL:
- 0.400'
- UNITS:
- KIT
- PRODUCT NAME:
- ENGINE KIT
- SPRING SEAT PRESSURE:
- 95 LB
$247.99 -
KIBBLEWHITE Valve Kit 20-22400
KIBBLEWHITE
$117.85Valve wear and friction are silent killers of engine reliability and performance. The KIBBLEWHITE 20-22400 Valve Kit addresses both with Black Diamond™ stainless steel construction and a proprietary impregnation process that dramatically improves...09263313- SKU:
- 09263313
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
- UNITS:
- KIT
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$117.85 -
KIBBLEWHITE Engine Kit 20-22450
KIBBLEWHITE
$235.80A complete valve train refresh demands precision components engineered to withstand extreme combustion pressures and repeated high-RPM cycles. The KIBBLEWHITE Engine Kit 20-22450 delivers a factory-quality valve system with premium materials and...09263314- SKU:
- 09263314
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- SPRING LIFT:
- 0,415'
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING OPEN PRESSURE:
- 272 LB
- SPRING SEAT PRESSURE:
- 129 LB
$235.80 -
KIBBLEWHITE Valve Kit 20-22500
KIBBLEWHITE
$117.85Valve wear and friction directly impact engine reliability and performance—especially under sustained high RPM operation. The Kibblewhite 20-22500 Valve Kit addresses this with Black Diamond™ stainless steel construction and a proprietary surface...09263315- SKU:
- 09263315
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
$117.85 -
KIBBLEWHITE Engine Kit 20-22550
KIBBLEWHITE
$235.80The KIBBLEWHITE Engine Kit 20-22550 gives you a complete valve train refresh with OEM-quality components engineered for longevity and reliable performance. Whether you're rebuilding after high-mileage wear or upgrading to match your engine's potential,...09263316- SKU:
- 09263316
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING LIFT:
- 0,415'
- RIDING STYLE:
- STREET
- SPRING SEAT PRESSURE:
- 129 LB
- SPRING OPEN PRESSURE:
- 272 LB
- UNITS:
- KIT
$235.80 -
KIBBLEWHITE Wrist Pin Bushing 20-20580
KIBBLEWHITE
$7.86A wrist pin bushing is critical to connecting rod reliability—it absorbs the lateral forces generated during combustion and reduces wear on your connecting rod bore. The KIBBLEWHITE 20-20580 uses SAE660 bearing bronze, a material engineered specifically...09220104- SKU:
- 09220104
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- WRIST PIN
- MATERIAL:
- BRONZE
- STYLE:
- STANDARD
- UNITS:
- EACH
$7.86 -
KIBBLEWHITE Wrist Pin Bushing 20-20582
KIBBLEWHITE
$7.86A wrist pin bushing is the critical interface between your connecting rod and piston pin—tolerances here directly impact engine reliability and longevity. The KIBBLEWHITE 20-20582 uses SAE660 bearing bronze, a material chosen for its superior wear...09220105- SKU:
- 09220105
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- WRIST PIN
- UNITS:
- EACH
- STYLE:
- OVERSIZE
- MATERIAL:
- BRONZE
$7.86 -
KIBBLEWHITE Wrist Pin Bushing 20-20810
KIBBLEWHITE
$7.86A wrist pin bushing is a critical precision component that manages the oscillating loads between your connecting rod and piston pin. The KIBBLEWHITE 20-20810 is engineered to minimize friction and wear in this high-stress interface, directly impacting...09230367- SKU:
- 09230367
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- MATERIAL:
- BRONZE
- TYPE:
- WRIST PIN
- UNITS:
- EACH
$7.86 -
KIBBLEWHITE Valve Guide 20-4321C
KIBBLEWHITE
$9.84Valve guides are critical to engine longevity—they control oil consumption, maintain proper valve alignment, and prevent catastrophic wear in the cylinder head. The KIBBLEWHITE 20-4321C delivers precision engineering where it matters most, ensuring...DS199760- SKU:
- DS199760
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- CAST IRON
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- INSIDE DIAMETER IMPERIAL:
- 0.3090'
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- 0.5630'
$9.84 -
KIBBLEWHITE Cylinder Studs - Evolution 20-2098
KIBBLEWHITE
$187.95Cylinder stud failure can cost you a race, a season, or worse—your engine. KIBBLEWHITE's Evolution 20-2098 studs eliminate the weak points found in standard fasteners through precision manufacturing and controlled material stress, giving you the...DS199771- SKU:
- DS199771
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
$187.95 -
KIBBLEWHITE Exhaust Valve 20-4195
KIBBLEWHITE
$31.01If you're running a high-revving engine that demands precision valve action, the KIBBLEWHITE 20-4195 exhaust valve delivers the durability and flow efficiency needed to maximize combustion and minimize wear. The nitrided stellite tip resists the extreme...DS198970- SKU:
- DS198970
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.3760'
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 3.810'
- APPLICATION:
- EXHAUST
- HEAD DIAMETER IMPERIAL:
- 1.750'
- MODEL:
- BLACK DIAMOND™
- TULIP ANGLE:
- 29°
$31.01
