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. Race Oil Pump - Twin Cam 7062
FEULING OIL PUMP CORP.
$499.95Made of 7075 billet aluminum with military spec hard anodizing; blueprinted and designed for the racer, The 7075 alloy is 50% harder and stronger than 6061 aluminum and holds tighter tolerance under...09320026- SKU:
- 09320026
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- COLOR/FINISH:
- RED
- MODEL:
- RACE SERIES®
- MATERIAL:
- 7075 BILLET ALUMINUM
- BASE COLOR:
- RED
- TYPE:
- OIL PUMP
- PRODUCT NAME:
- PUMP
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$499.95 -
FEULING OIL PUMP CORP. Performance Oil System - Twin Cam 7070
FEULING OIL PUMP CORP.
$819.95A properly functioning oil system is the foundation of engine longevity and performance. The Feuling Oil Pump Corp. Performance Oil System addresses common Twin Cam oiling failures—wet sumping,...09320027- SKU:
- 09320027
- Availability:
- Ships Same Business Day
- Weight:
- 5.41 LBS
- PRODUCT NAME:
- OIL SYSTEM
- STYLE:
- GEAR DRIVE
- TYPE:
- CAM PLATE
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- RED
- FLOW RATE:
- STANDARD
- MODEL:
- HP+®
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- BASE COLOR:
- RED
$819.95 -
FEULING OIL PUMP CORP. Performance Oil System - Twin Cam 7072
FEULING OIL PUMP CORP.
$1,029.95FEULING OIL PUMP CORP. Performance Oil System - Twin Cam09320028- SKU:
- 09320028
- Availability:
- Ships Same Business Day
- Weight:
- 5.52 LBS
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- OIL SYSTEM
- STYLE:
- GEAR DRIVE
- TYPE:
- CAM PLATE
- BASE COLOR:
- RED
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- RED
- FLOW RATE:
- STANDARD
- TYPE:
- OIL PUMP
- UNITS:
- EACH
$1,029.95 -
FEULING OIL PUMP CORP. Performance Oil System - Twin Cam 7074
FEULING OIL PUMP CORP.
$859.95Combine all the needed components to finish your T/C® engine's oiling system, These kits increase oil pressure, oil volume, engine oil flow and return oil scavenging, eliminating wet sumping and oily...09320029- SKU:
- 09320029
- Availability:
- Ships Same Business Day
- Weight:
- 5.51 LBS
- FLOW RATE:
- STANDARD
- MODEL:
- HP+®
- PRODUCT NAME:
- OIL SYSTEM
- STYLE:
- GEAR DRIVE
- TYPE:
- CAM PLATE
- TYPE:
- OIL PUMP
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- CHAIN DRIVE
- BASE COLOR:
- SILVER
$859.95 -
FEULING OIL PUMP CORP. Performance Oil System - Twin Cam 7075
FEULING OIL PUMP CORP.
$1,029.95A properly engineered oil system is the foundation of engine reliability and performance. The FEULING Oil Pump Corp. Performance Oil System for Twin Cam engines delivers measurable improvements in...09320030- SKU:
- 09320030
- Availability:
- Ships Same Business Day
- Weight:
- 5.57 LBS
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- TYPE:
- OIL PUMP
- COLOR/FINISH:
- ALUMINUM
- FLOW RATE:
- STANDARD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- OIL SYSTEM
- STYLE:
- GEAR DRIVE
- TYPE:
- CAM PLATE
- BASE COLOR:
- RED
- STYLE:
- CHAIN DRIVE
$1,029.95 -
FEULING OIL PUMP CORP. Performance Oil System Chain Drive 7071
FEULING OIL PUMP CORP.
$859.95Engine oil system performance directly impacts longevity, reliability, and power output—especially in high-demand applications. The Feuling Oil Pump Corp. Performance Oil System Chain Drive 7071 is...09320069- SKU:
- 09320069
- Availability:
- Ships Same Business Day
- Weight:
- 6.13 LBS
- PRODUCT NAME:
- OIL SYSTEM
- TYPE:
- CAM PLATE
- BASE COLOR:
- RED
- STYLE:
- CHAIN DRIVE
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- RED
- FLOW RATE:
- STANDARD
- MODEL:
- HP+®
- UNITS:
- EACH
$859.95 -
FEULING OIL PUMP CORP. Performance Oil System Conversion 7076
FEULING OIL PUMP CORP.
$859.95A properly engineered oiling system is fundamental to engine longevity and performance—stock systems often struggle with volume, pressure consistency, and heat dissipation, particularly in...09320071- SKU:
- 09320071
- Availability:
- Ships Same Business Day
- Weight:
- 6.18 LBS
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- RED
- STYLE:
- CHAIN DRIVE
- TYPE:
- CAM PLATE
- TYPE:
- OIL PUMP
- UNITS:
- KIT
- BASE COLOR:
- RED
- MODEL:
- HP+®
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CONVERSION KIT
- RIDING STYLE:
- STREET
$859.95 -
FEULING OIL PUMP CORP. Race Oil System Conversion 7077
FEULING OIL PUMP CORP.
$1,029.95Combine all the needed components to finish your T/C® engine's oiling system, These kits increase oil pressure, oil volume, engine oil flow and return oil scavenging, eliminating wet sumping and oily...09320072- SKU:
- 09320072
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- COLOR/FINISH:
- ALUMINUM
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- CHAIN DRIVE
- BASE COLOR:
- RED
- BASE COLOR:
- SILVER
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CONVERSION KIT
- UNITS:
- KIT
- COLOR/FINISH:
- RED
- TYPE:
- CAM PLATE
- TYPE:
- OIL PUMP
$1,029.95Qty in Cart: 0Quantity:Price:$1,029.95Subtotal: -
FEULING OIL PUMP CORP. Oil Pump - OE+ - Twin Cam 7010
FEULING OIL PUMP CORP.
$319.95Made of 6061 billet aluminum with high-flow 2" chromoly gerotor gears, Oil pumps increase oil pressure and scavenge return volume, Feuling® OE+ stock replacement billet oil pumps deliver increased...09320089- SKU:
- 09320089
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- PUMP
- COLOR/FINISH:
- ALUMINUM
- FLOW RATE:
- STANDARD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- MODEL:
- OE+
- TYPE:
- OIL PUMP
- MATERIAL:
- 6061 BILLET ALUMINUM
$319.95 -
FEULING OIL PUMP CORP. Oil Pump - OE+ - Twin Cam 7030
FEULING OIL PUMP CORP.
$319.95Made of 6061 billet aluminum with high-flow 2" chromoly gerotor gears, Oil pumps increase oil pressure and scavenge return volume, Feuling® OE+ stock replacement billet oil pumps deliver increased...09320090- SKU:
- 09320090
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- COLOR/FINISH:
- ALUMINUM
- PRODUCT NAME:
- PUMP
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- FLOW RATE:
- STANDARD
- MODEL:
- OE+
- TYPE:
- OIL PUMP
- UNITS:
- EACH
- MATERIAL:
- 6061 BILLET ALUMINUM
$319.95 -
FEULING OIL PUMP CORP. Gear Oil System - OE+ 7080
FEULING OIL PUMP CORP.
$639.95Kits are an upgrade to the stock oiling system, delivering increased oil pressure and return scavenge volumes from an OE+ billet oil pump and matched OE+ billet cam plate (see OE+ oil pumps for...09320091- SKU:
- 09320091
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- MODEL:
- OE+
- STYLE:
- GEAR DRIVE
- TYPE:
- OIL PUMP
- UNITS:
- KIT
- FLOW RATE:
- STANDARD
- TYPE:
- CAM SUPPORT
- FEATURES:
- -
- PRODUCT NAME:
- PLATE
- RIDING STYLE:
- STREET
$639.95 -
FEULING OIL PUMP CORP. Chain Oil System - OE+ 7081
FEULING OIL PUMP CORP.
$639.95Kits are an upgrade to the stock oiling system, delivering increased oil pressure and return scavenge volumes from an OE+ billet oil pump and matched OE+ billet cam plate (see OE+ oil pumps for...09320092- SKU:
- 09320092
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- PRODUCT NAME:
- PLATE
- UNITS:
- KIT
- FEATURES:
- INCLUDES TENSIONER PINS AND GUIDE HARDWARE
- FLOW RATE:
- STANDARD
- RIDING STYLE:
- STREET
- TYPE:
- CAM SUPPORT
- MODEL:
- OE+
- TYPE:
- OIL PUMP
- STYLE:
- CHAIN DRIVE
$639.95 -
FEULING OIL PUMP CORP. Chain/Gear Oil System - OE+ - Twin Cam 7084
FEULING OIL PUMP CORP.
$639.95Kits are an upgrade to the stock oiling system, delivering increased oil pressure and return scavenge volumes from an OE+ billet oil pump and matched OE+ billet cam plate (see OE+ oil pumps for...09320093- SKU:
- 09320093
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- FEATURES:
- -
- STYLE:
- CHAIN DRIVE
- STYLE:
- GEAR DRIVE
- UNITS:
- KIT
- MODEL:
- OE+
- TYPE:
- OIL PUMP
- FLOW RATE:
- STANDARD
- PRODUCT NAME:
- PLATE
- RIDING STYLE:
- STREET
- TYPE:
- CAM SUPPORT
$639.95 -
FEULING OIL PUMP CORP. Conversion Oil System - OE+ 7086
FEULING OIL PUMP CORP.
$639.95Kits are an upgrade to the stock oiling system, delivering increased oil pressure and return scavenge volumes from an OE+ billet oil pump and matched OE+ billet cam plate (see OE+ oil pumps for...09320094- SKU:
- 09320094
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- FEATURES:
- -
- UNITS:
- KIT
- FLOW RATE:
- STANDARD
- MODEL:
- OE+
- TYPE:
- CAM SUPPORT
- TYPE:
- OIL PUMP
- RIDING STYLE:
- STREET
- STYLE:
- CHAIN DRIVE
- PRODUCT NAME:
- CONVERSION KIT
$639.95 -
FEULING OIL PUMP CORP. Complete Cam Chest Kit - 405 Series - HP+‚® - M8 7250
FEULING OIL PUMP CORP.
$1,795.95Quieter and smoother engine operation, Increase oil pressure, scavenge volume and engine oil flow, Engine temperatures run 15°-35° cooler, Oil temperatures run 15°-30° cooler, 15-30 more PSI of oil...09251178- SKU:
- 09251178
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
- FEATURES:
- OIL COOLED
- INTAKE DURATION IMPERIAL:
- 200°
- TYPE:
- CHAIN
- EXHAUST CLOSE IMPERIAL:
- 11°
- EXHAUST OPEN IMPERIAL:
- 36°
- GRIND:
- 405 SERIES
- INTAKE OPEN IMPERIAL:
- 4°
- INTAKE CLOSE IMPERIAL:
- 24°
- MODEL:
- HP+®
- RIDING STYLE:
- STREET
- EXHAUST DURATION IMPERIAL:
- 205°
- EXHAUST LIFT IMPERIAL:
- 0.405'
- INTAKE LIFT IMPERIAL:
- 0.395'
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
$1,795.95Qty in Cart: 0Quantity:Price:$1,795.95Subtotal: -
FEULING OIL PUMP CORP. Race Series Cam Kit - 592C 1458
FEULING OIL PUMP CORP.
$699.95Include camshafts, lifters and a cam installation kit that includes the cam bearing, cam/ crank hardware, Kit also includes gasket/O-ring kit that allows installation of Feuling Heavy-Duty HP+ .0165”...09251266- SKU:
- 09251266
- Availability:
- Ships Same Business Day
- Weight:
- 4.56 LBS
- EXHAUST DURATION IMPERIAL:
- 264°
- INTAKE DURATION IMPERIAL:
- 234°
- MODEL:
- RACE SERIES®
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 16°
- EXHAUST LIFT IMPERIAL:
- 0.592'
- GRIND:
- 592 SERIES
- INTAKE LIFT IMPERIAL:
- 0.578'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 97°
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 116°
- EXHAUST OPEN IMPERIAL:
- 68°
- INTAKE CLOSE IMPERIAL:
- 34°
- INTAKE OPEN IMPERIAL:
- 20°
- TYPE:
- CHAIN
$699.95Qty in Cart: 0Quantity:Price:$699.95Subtotal: -
FEULING OIL PUMP CORP. Inner Cam Bearing - XL 2073
FEULING OIL PUMP CORP.
$19.95Bearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance engines, Manufactured by Koyo® Torrington®, Made in the U.S.A.09251267- SKU:
- 09251267
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- RIDING STYLE:
- STREET
- TYPE:
- INNER
- UNITS:
- EACH
- PRODUCT NAME:
- CAM BEARING
$19.95 -
FEULING OIL PUMP CORP. Cam Kit - Race Series - 592 Series - Oil Cooled - M8 7264
FEULING OIL PUMP CORP.
$2,049.95Kit includes Race Series oiling system: billet 7075 oil pump, Race Series lifters and High Flow billet aluminum camplate, Oil pump is 50% harder and stronger than the factory pump, holds tighter...09251268- SKU:
- 09251268
- Availability:
- Ships Same Business Day
- Weight:
- 11.71 LBS
- EXHAUST OPEN IMPERIAL:
- 68°
- GRIND:
- 592 SERIES
- INTAKE CLOSE IMPERIAL:
- 34°
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- FEATURES:
- OIL COOLED
- TYPE:
- CHAIN
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 116°
- INTAKE LIFT IMPERIAL:
- 0.578'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 97°
- INTAKE OPEN IMPERIAL:
- 20°
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 16°
- EXHAUST DURATION IMPERIAL:
- 264°
- EXHAUST LIFT IMPERIAL:
- 0.592'
- INTAKE DURATION IMPERIAL:
- 234°
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CAMCHEST KIT
$2,049.95Qty in Cart: 0Quantity:Price:$2,049.95Subtotal: -
FEULING OIL PUMP CORP. Cam - 521 Series - M8 1346
FEULING OIL PUMP CORP.
$319.95Aggressive pulling power with a “nasty” sound, the Reaper 521 grind will shine in 114” and larger cubic inch engines with added compression ratio, Ported cylinder heads are not required, but will...09251210- SKU:
- 09251210
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- INTAKE CLOSE IMPERIAL:
- 34°
- INTAKE LIFT IMPERIAL:
- 0.518'
- MODEL:
- REAPER
- PRODUCT NAME:
- CAM
- TYPE:
- CHAIN
- APPLICATION:
- EXHAUST
- EXHAUST CLOSE IMPERIAL:
- 11.5°
- GRIND:
- 521 SERIES
- EXHAUST DURATION IMPERIAL:
- 243°
- EXHAUST OPEN IMPERIAL:
- 50°
- INTAKE OPEN IMPERIAL:
- 17°
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.521'
- INTAKE DURATION IMPERIAL:
- 231°
$319.95 -
FEULING OIL PUMP CORP. Cam Chest Kit - 465 Series - HP+‚® - Twin Cooled - M8 7256
FEULING OIL PUMP CORP.
$1,795.95Quieter and smoother engine operation, Increase oil pressure, scavenge volume and engine oil flow, Engine temperatures run 15°-35° cooler, Oil temperatures run 15°-30° cooler, 15-30 more PSI of oil...09251213- SKU:
- 09251213
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
- GRIND:
- 465 SERIES
- UNITS:
- KIT
- PRODUCT NAME:
- CAMCHEST KIT
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN
- FEATURES:
- TWIN COOLED
- MODEL:
- HP+®
$1,795.95
