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 Series Camshaft Kit 7237ST
FEULING OIL PUMP CORP.
$1,895.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7237ST is engineered for serious performance builds where maximum valve lift, extended duration, and optimized overlap translate directly to measurable horsepower gains. If you're running forced...09251410- SKU:
- 09251410
- Availability:
- Ships Same Business Day
- Weight:
- 11.40 LBS
- MODEL:
- RACE SERIES®
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- GRIND:
- 594 SERIES
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
$1,895.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7237P
FEULING OIL PUMP CORP.
$1,879.95Maximizing valve lift and duration is critical for high-RPM performance, and the Feuling Oil Pump Corp. Race Series Camshaft Kit 7237P delivers the aggressive timing your engine needs to unlock additional horsepower and torque. This competition-grade cam...09251409- SKU:
- 09251409
- Availability:
- Ships Same Business Day
- Weight:
- 11.46 LBS
- RIDING STYLE:
- STREET
- GRIND:
- 594 SERIES
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CAMSHAFT KIT
- TYPE:
- GEAR
$1,879.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7236ST
FEULING OIL PUMP CORP.
$1,895.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7236ST delivers the high-lift, aggressive valve timing your engine needs to unlock measurable gains in peak horsepower and mid-range torque. Purpose-built for dedicated racers and serious performance...09251408- SKU:
- 09251408
- Availability:
- Ships Same Business Day
- Weight:
- 11.11 LBS
- GRIND:
- 594 SERIES
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
- TYPE:
- GEAR
$1,895.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7236P
FEULING OIL PUMP CORP.
$1,795.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7236P delivers the aggressive valve timing and lift characteristics that separate winning engines from the rest. Built for racers who demand maximum power output without compromise, this kit transforms...09251407- SKU:
- 09251407
- Availability:
- Ships Same Business Day
- Weight:
- 11.26 LBS
- GRIND:
- 594 SERIES
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- CAMSHAFT KIT
- MODEL:
- RACE SERIES®
- TYPE:
- GEAR
$1,795.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7235ST
FEULING OIL PUMP CORP.
$1,895.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7235ST delivers the aggressive valve timing and lift characteristics necessary for high-RPM performance engines demanding maximum horsepower and torque output. Built to withstand the demands of...09251406- SKU:
- 09251406
- Availability:
- Ships Same Business Day
- Weight:
- 11.51 LBS
- GRIND:
- 594 SERIES
- TYPE:
- CHAIN
- PRODUCT NAME:
- CAMSHAFT KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
$1,895.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7235P
FEULING OIL PUMP CORP.
$1,879.95A high-performance camshaft is the foundation of any serious engine build—it controls valve timing and lift, directly impacting horsepower, torque, and throttle response. The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7235P delivers aggressive valve...09251405- SKU:
- 09251405
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
- GRIND:
- 594 SERIES
- TYPE:
- CHAIN
- RIDING STYLE:
- STREET
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
$1,879.95 -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7232P
FEULING OIL PUMP CORP.
$1,649.95If you're running a Twin Cam engine, camchest reliability directly impacts your horsepower, oil temps, and engine longevity. The Feuling HP+® Camchest Kit eliminates common failure points—wet sumping, blow-by, and inadequate oil flow—while delivering...09251403- SKU:
- 09251403
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
- MODEL:
- HP+®
- GRIND:
- 543 SERIES
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
$1,649.95 -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7231P
FEULING OIL PUMP CORP.
$1,649.95If your Twin Cam engine is running hot, burning through oil, or producing excessive blowby, the Feuling Oil Pump Corp. Camchest Kit addresses all of these issues in one comprehensive package. This complete top-to-bottom camchest assembly delivers...09251402- SKU:
- 09251402
- Availability:
- Ships Same Business Day
- Weight:
- 11.55 LBS
- MODEL:
- HP+®
- PRODUCT NAME:
- CAMCHEST KIT
- TYPE:
- CHAIN
- GRIND:
- 543 SERIES
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$1,649.95Qty in Cart: 0Quantity:Price:$1,649.95Subtotal: -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7225ST
FEULING OIL PUMP CORP.
$2,049.95If you're serious about maximizing your engine's power potential, a quality camshaft upgrade is non-negotiable. The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7225ST delivers aggressive valve timing and lift characteristics engineered specifically...09251401- SKU:
- 09251401
- Availability:
- Ships Same Business Day
- Weight:
- 13.20 LBS
- MODEL:
- RACE SERIES®
- TYPE:
- CHAIN CONVERSION
- GRIND:
- 594 SERIES
- UNITS:
- KIT
- PRODUCT NAME:
- CAMSHAFT KIT
- RIDING STYLE:
- STREET
$2,049.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7225P
FEULING OIL PUMP CORP.
$2,049.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7225P delivers the aggressive valve timing and lift characteristics required to maximize horsepower and torque in high-RPM applications. Whether you're building a competition engine or upgrading an...09251400- SKU:
- 09251400
- Availability:
- Ships Same Business Day
- Weight:
- 13.20 LBS
- GRIND:
- 594 SERIES
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CAMSHAFT KIT
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
$2,049.95 -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7224P
FEULING OIL PUMP CORP.
$1,929.95If you're running a Twin Cam engine, the camchest is where reliability and performance live or die. The Feuling HP+® Camchest Kit delivers a complete top-to-bottom overhaul with premium components engineered to eliminate common failure points,...09251399- SKU:
- 09251399
- Availability:
- Ships Same Business Day
- Weight:
- 13.25 LBS
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
- GRIND:
- 543 SERIES
- MODEL:
- HP+®
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
$1,929.95Qty in Cart: 0Quantity:Price:$1,929.95Subtotal: -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7223P
FEULING OIL PUMP CORP.
$2,049.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7223P is engineered for maximum valve lift and duration, delivering the aggressive timing curve your engine demands at peak RPM. Whether you're building a competition-ready big twin or maximizing street...09251397- SKU:
- 09251397
- Availability:
- Ships Same Business Day
- Weight:
- 13.16 LBS
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
- GRIND:
- 630 SERIES
- MODEL:
- RACE SERIES®
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
$2,049.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7222ST
FEULING OIL PUMP CORP.
$2,049.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7222ST is engineered for serious performance applications where valve timing precision directly impacts horsepower and throttle response. If you're building or tuning a high-performance engine, this...09251396- SKU:
- 09251396
- Availability:
- Ships Same Business Day
- Weight:
- 13.51 LBS
- PRODUCT NAME:
- CAMSHAFT KIT
- RIDING STYLE:
- STREET
- MODEL:
- RACE SERIES®
- TYPE:
- CHAIN CONVERSION
- GRIND:
- 574 SERIES
- UNITS:
- KIT
$2,049.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7222P
FEULING OIL PUMP CORP.
$2,049.95If you're serious about extracting maximum power from your engine, camshaft selection is non-negotiable—it directly controls valve timing, duration, and lift, which fundamentally determine your power band characteristics. The FEULING OIL PUMP CORP. Race...09251395- SKU:
- 09251395
- Availability:
- Ships Same Business Day
- Weight:
- 13.21 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
- GRIND:
- 574 SERIES
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CAMSHAFT KIT
$2,049.95 -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7221P
FEULING OIL PUMP CORP.
$1,939.95If you're running a Twin Cam engine, camchest reliability directly impacts your build's longevity and performance potential. The Feuling HP+® Camchest Kit eliminates common failure points—wet sumping, bearing wear, and inadequate oil flow—while...09251394- SKU:
- 09251394
- Availability:
- Ships Same Business Day
- Weight:
- 13.31 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
- GRIND:
- 574 SERIES
- MODEL:
- HP+®
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
$1,939.95 -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7220P
FEULING OIL PUMP CORP.
$1,939.95If you're running a Twin Cam engine, the camchest is the foundation of reliable power delivery—and this Feuling kit gives you everything needed to build a cooler, stronger, and more consistent top end. You'll gain measurable improvements in oil pressure,...09251393- SKU:
- 09251393
- Availability:
- Ships Same Business Day
- Weight:
- 13.36 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
- MODEL:
- HP+®
- UNITS:
- KIT
- GRIND:
- 525 SERIES
- PRODUCT NAME:
- CAMCHEST KIT
$1,939.95Qty in Cart: 0Quantity:Price:$1,939.95Subtotal: -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7217ST
FEULING OIL PUMP CORP.
$1,895.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7217ST delivers the aggressive valve timing and lift profile required to maximize airflow and horsepower in high-RPM applications. If you're building a performance engine that demands reliable,...09251392- SKU:
- 09251392
- Availability:
- Ships Same Business Day
- Weight:
- 13.16 LBS
- GRIND:
- 574 SERIES
- PRODUCT NAME:
- CAMSHAFT KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MODEL:
- RACE SERIES®
- TYPE:
- GEAR
$1,895.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7217P
FEULING OIL PUMP CORP.
$1,879.95If you're serious about maximizing your engine's potential, cam selection directly determines your power band characteristics, valve timing precision, and overall RPM capability. The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7217P delivers the...09251391- SKU:
- 09251391
- Availability:
- Ships Same Business Day
- Weight:
- 11.31 LBS
- GRIND:
- 574 SERIES
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
$1,879.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7216ST
FEULING OIL PUMP CORP.
$1,895.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7216ST is engineered for riders who demand maximum valve lift and duration without sacrificing reliability. This cam profile delivers aggressive top-end power while maintaining the durability required...09251390- SKU:
- 09251390
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
- GRIND:
- 574 SERIES
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
$1,895.95 -
FEULING OIL PUMP CORP. Race Series Camshaft Kit 7216P
FEULING OIL PUMP CORP.
$1,795.95The FEULING OIL PUMP CORP. Race Series Camshaft Kit 7216P is engineered for maximum valve lift and duration, delivering the aggressive timing profiles needed to unlock additional horsepower and torque across your engine's entire RPM range. If you're...09251389- SKU:
- 09251389
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
- GRIND:
- 574 SERIES
- MODEL:
- RACE SERIES®
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
$1,795.95
