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. Outer Silent Chain 8063
FEULING OIL PUMP CORP.
$42.95A worn or damaged outer silent chain compromises valve timing precision and can lead to catastrophic engine failure. The Feuling Oil Pump Corp. Outer Silent Chain 8063 restores OEM specifications with a direct-fit replacement built to the same exacting...09250956- SKU:
- 09250956
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MOUNTING POSITION:
- OUTER
- RIDING STYLE:
- STREET
- TYPE:
- CAM
- NUMBER OF LINKS:
- 22
- PRODUCT NAME:
- CHAIN
- UNITS:
- EACH
$42.95 -
FEULING OIL PUMP CORP. Cam Kit - OE+ - 525 Series - Twin Cam 7320
FEULING OIL PUMP CORP.
$1,839.95A complete camchest kit eliminates the guesswork of sourcing individual components by delivering a harmonized system engineered to work together seamlessly. The OE+ 525 Series delivers strong low- and mid-range torque with a linear power curve, making it...09251280- SKU:
- 09251280
- Availability:
- Ships Same Business Day
- Weight:
- 13.51 LBS
- GRIND:
- 525 SERIES
- INTAKE LIFT IMPERIAL:
- 0.525'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 109°
- EXHAUST CLOSE IMPERIAL:
- 5°
- EXHAUST DURATION IMPERIAL:
- 236°
- EXHAUST LIFT IMPERIAL:
- 0.535'
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 113°
- INTAKE CLOSE IMPERIAL:
- 42°
- INTAKE DURATION IMPERIAL:
- 226°
- MODEL:
- OE+
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
- EXHAUST OPEN IMPERIAL:
- 51°
- TYPE:
- CHAIN
- INTAKE OPEN IMPERIAL:
- 4°
- RIDING STYLE:
- STREET
$1,839.95Qty in Cart: 0Quantity:Price:$1,839.95Subtotal: -
PC RACING Oil Filter - Stainless Steel PC53-82
PC RACING
$69.95Paper and brass filters compromise engine protection when they can't handle cold starts or extreme heat—your bypass valve opens, and unfiltered oil reaches critical components. The PC Racing Oil Filter eliminates this risk with medical-grade stainless...07120459- SKU:
- 07120459
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- FEATURES:
- REUSABLE
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- MICRON RATING:
- 35 MICRONS
- UNITS:
- EACH
- MODEL:
- FLO
- BASE FINISH:
- POLISHED
- FILTER MEDIA MATERIAL:
- MICRONIC FILTER CLOTH
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- DROP-IN
$69.95 -
PINGEL Oil Pump Screens - Twin Cam 62169
PINGEL
$46.95Debris from a failing chain-tensioner or loose particles inside your Twin Cam engine can destroy your oil pump and cam plate—a costly failure that sidelines your bike. The PINGEL Oil Pump Screens act as a critical safeguard, capturing contaminants before...09320073- SKU:
- 09320073
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- SCREEN
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- UNITS:
- KIT
$46.95 -
COLONY Oil Plug Cadmium Big Twin 9645-2
COLONY
$6.95Proper oil system maintenance is non-negotiable for Big Twin engines—especially when you're pushing performance limits. The COLONY Oil Plug Cadmium Big Twin 9645-2 delivers reliable sealing and durability where it matters most, preventing costly oil...09320057- SKU:
- 09320057
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- COLOR/FINISH:
- CADMIUM
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- PLUG
- TYPE:
- OIL PUMP
- UNITS:
- EACH
$6.95 -
COLONY Oil Plug Chrome Big Twin 9644-2
COLONY
$10.95A quality oil plug is a foundational component that prevents costly leaks and maintains proper engine sealing under pressure and temperature cycling. The COLONY Oil Plug Chrome Big Twin is engineered for Harley-Davidson Big Twin applications, delivering...09320056- SKU:
- 09320056
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- PLUG
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
$10.95 -
COLONY Oil Plug Chrome Big Twin 9876-2
COLONY
$10.95A quality oil plug is a critical maintenance component that directly impacts engine longevity and reliability. The COLONY Oil Plug Chrome Big Twin 9876-2 delivers a durable, corrosion-resistant solution that withstands repeated drain cycles and thermal...09320050- SKU:
- 09320050
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- PLUG
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- TYPE:
- OIL PUMP
- UNITS:
- EACH
$10.95 -
KIBBLEWHITE Wrist Pin Bushing 20-20812
KIBBLEWHITE
$7.86A wrist pin bushing is a critical wear component in high-RPM engines, and choosing the right material directly impacts piston longevity and reliability. The KIBBLEWHITE 20-20812 uses SAE660 bearing bronze—a proven material that handles repeated stress...09230368- SKU:
- 09230368
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- WRIST PIN
- UNITS:
- EACH
- MATERIAL:
- BRONZE
- STYLE:
- OVERSIZE
$7.86 -
KIBBLEWHITE Wrist Pin Bushing 20-0645
KIBBLEWHITE
$29.77A wrist pin bushing is the critical bearing surface that allows your connecting rod to articulate smoothly around the piston pin during combustion cycles. Inadequate bushing material leads to excessive wear, increased friction, and potential catastrophic...09230468- SKU:
- 09230468
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- MATERIAL:
- BRONZE
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- TYPE:
- WRIST PIN
$29.77 -
KIBBLEWHITE Wrist Pin Bushing - Twin Cam 20-20790
KIBBLEWHITE
$16.50A wrist pin bushing is critical for controlling piston pin clearance and reducing friction in your engine's reciprocating assembly. KIBBLEWHITE's SAE660 bearing bronze construction delivers superior wear resistance and durability compared to inferior...09230354- SKU:
- 09230354
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- BRONZE
- STYLE:
- STANDARD
- RIDING STYLE:
- STREET
- TYPE:
- WRIST PIN
- UNITS:
- EACH
- PRODUCT NAME:
- BUSHING
$16.50 -
KIBBLEWHITE VALVE EXHAUST 1.575" 20-20776
KIBBLEWHITE
$31.01If you're running Twin Cam heads with 7.0mm valves and suspect port-end cracking in the valve guide boss, this Kibblewhite exhaust valve offers a direct solution. The .005" oversize stem re-establishes proper valve stem-to-guide clearance without...09262719- SKU:
- 09262719
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BLACK
- HEAD DIAMETER IMPERIAL:
- 1.575'
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.2805'
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 4.510'
- RIDING STYLE:
- STREET
- TULIP ANGLE:
- 23°
- COLOR/FINISH:
- BLACK
$31.01 -
KIBBLEWHITE Spring Kit - Twin Cam/XL 20-20364
KIBBLEWHITE
$142.97If you're pushing your Twin Cam or XL engine toward maximum valve lift, cam timing precision becomes non-negotiable—and inferior springs will cost you performance and reliability. The KIBBLEWHITE Spring Kit delivers the consistent, predictable valve...09260184- SKU:
- 09260184
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- SPRING LIFT IMPERIAL:
- 0.600'
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- COLLAR MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,600'
- SPRING OPEN PRESSURE:
- 347 LB
- SPRING SEAT PRESSURE:
- 150 LB
$142.97 -
KIBBLEWHITE Intake Valve - Twin Cam 20-20322
KIBBLEWHITE
$37.55Twin-cam engines demand intake valves engineered to withstand extreme combustion pressures while maintaining precise clearances—this Kibblewhite valve delivers both through a nitrided stainless-steel construction that outperforms standard hard-chrome...09260193- SKU:
- 09260193
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.2754'
- UNITS:
- EACH
- HEAD DIAMETER IMPERIAL:
- 1.805'
- LENGTH IMPERIAL:
- 4.420'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- TULIP ANGLE:
- 1,7' R
- TULIP ANGLE IMPERIAL:
- 1.7° R
$37.55 -
KIBBLEWHITE Intake Valve - Twin Cam 20-20323R
KIBBLEWHITE
$37.55Intake valve performance directly impacts combustion efficiency, throttle response, and engine longevity. The KIBBLEWHITE 20-20323R delivers precision-engineered reliability through a nitrided, stellite-tipped construction that outperforms conventional...09260194- SKU:
- 09260194
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.2754'
- UNITS:
- EACH
- HEAD DIAMETER IMPERIAL:
- 1.900'
- LENGTH IMPERIAL:
- 4.420'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- TULIP ANGLE:
- 28°
$37.55 -
KIBBLEWHITE Exhaust Valve - Twin Cam 20-20325
KIBBLEWHITE
$37.55Exhaust valves endure extreme thermal and mechanical stress—inferior materials fail under sustained high RPM operation, causing compression loss and increased wear. The KIBBLEWHITE 20-20325 combines stainless-steel construction with a stellite tip and...09260195- SKU:
- 09260195
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- LENGTH IMPERIAL:
- 4.520'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.2754'
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- HEAD DIAMETER IMPERIAL:
- 1.575'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- TULIP ANGLE:
- 22°
$37.55 -
KIBBLEWHITE Exhaust Valve - Twin Cam 20-20326R
KIBBLEWHITE
$37.55Exhaust valves are mission-critical components that directly impact cylinder sealing, heat rejection, and overall engine longevity. The KIBBLEWHITE 20-20326R delivers superior wear resistance and reduced friction through a proprietary nitriding process,...09260196- SKU:
- 09260196
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- RIDING STYLE:
- STREET
- TULIP ANGLE:
- 34°
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- HEAD DIAMETER IMPERIAL:
- 1.630'
- LENGTH IMPERIAL:
- 4.520'
- STEM DIAMETER IMPERIAL:
- 0.2754'
- UNITS:
- EACH
$37.55 -
KIBBLEWHITE Valve Seat 10-HC440
KIBBLEWHITE
$14.47If you're running titanium valves in a high-performance engine, your valve seats need to keep up—and that's exactly what KIBBLEWHITE's copper-based design delivers. These seats excel at heat dissipation and wear resistance, proven through years of R&D...09263355- SKU:
- 09263355
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- INSIDE DIAMETER METRIC:
- 35.81 MM
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 1.732'
- PRODUCT NAME:
- VALVE SEAT
- RIDING STYLE:
- STREET
$14.47 -
KIBBLEWHITE Valve Seat 10-HC447
KIBBLEWHITE
$14.47If you're running titanium valves in a high-performance engine, valve seat material directly impacts durability, thermal management, and longevity under extreme conditions. KIBBLEWHITE's copper-based seats were engineered over two years specifically for...09263358- SKU:
- 09263358
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.757'
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER METRIC:
- 35.81 MM
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE SEAT
- UNITS:
- EACH
$14.47 -
KIBBLEWHITE Valve Seat 10-HC478
KIBBLEWHITE
$14.47If you're running titanium valves in a high-performance engine, you need a seat that can handle the thermal stress and maintain precise sealing over thousands of heat cycles. KIBBLEWHITE's copper-based valve seats were engineered specifically for this...09263359- SKU:
- 09263359
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- INSIDE DIAMETER METRIC:
- 38.61 MM
- OUTSIDE DIAMETER IMPERIAL:
- 1.882'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE SEAT
- APPLICATION:
- EXHAUST
$14.47 -
KIBBLEWHITE Valve Seat 10-HC493
KIBBLEWHITE
$14.47If you're running titanium valves in a high-performance engine, valve seat material directly impacts thermal stability, longevity, and reliability under extreme conditions. KIBBLEWHITE's copper-based seats are engineered specifically for titanium valve...09263360- SKU:
- 09263360
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- 1.944'
- PRODUCT NAME:
- VALVE SEAT
- INSIDE DIAMETER METRIC:
- 40.01 MM
$14.47
