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
-
KODLIN USA Water Reservoir Cover - Black K25413
KODLIN USA
$199.99A quality water reservoir cover protects your cooling system from contamination and debris while maintaining a professional appearance in the engine bay. The KODLIN USA Water Reservoir Cover combines...09320313- SKU:
- 09320313
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$199.99 -
S&S CYCLE Bolt Kit - Pinion and Camshaft - Big Twin | M8 500-1910
S&S CYCLE
$37.95Pinion and camshaft bolts endure extreme rotational forces and thermal cycling in Big Twin engines—factory fasteners often fail under sustained high-RPM operation. S&S Cycle's purpose-built bolt kit...09251614- SKU:
- 09251614
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
$37.95 -
ALLOY ART Comp Cam Cover - Black - Finned - M8 M8CCC-2
ALLOY ART
$444.95If you're running a forced induction setup or tight engine bay, valve cover clearance becomes a critical limiting factor. The ALLOY ART Comp Cam Cover solves this with a low-profile design that...09402222- SKU:
- 09402222
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$444.95 -
ALLOY ART Adjustable Stabilizer Link - Front - Raw - Touring CFL-1
ALLOY ART
$125.99Precise front-end geometry directly impacts your handling, braking stability, and tire wear—especially under aggressive riding conditions. The ALLOY ART Adjustable Stabilizer Link gives you real-time...09330144- SKU:
- 09330144
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$125.99 -
ALLOY ART Adjustable Stabilizer Link - Front - Black Anodized - Touring CFL-2
ALLOY ART
$135.99Harley Touring riders know that suspension geometry directly impacts handling, comfort, and safety at highway speeds. The ALLOY ART Adjustable Stabilizer Link gives you the precision to dial in your...09330145- SKU:
- 09330145
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$135.99 -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Knurled - Purple - M8 Touring/Trike FDP01-M8KN-P
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical for engine longevity, and a magnetic dipstick gives you real-time visibility into your oil condition while capturing ferrous particles that indicate wear...07100297- SKU:
- 07100297
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Knurled - Gold - M8 Touring/Trike FDP01-M8KN-G
FIGURATI DESIGNS
$169.95Keeping tabs on your oil level isn't just maintenance—it's preventive care that protects your engine from catastrophic damage. The FIGURATI DESIGNS Performance Magnetic Oil Dipstick combines...07100301- SKU:
- 07100301
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Knurled - Blue - M8 Touring/Trike FDP01-M8KN-B
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical to engine longevity, and guesswork has no place in serious motorcycling. The FIGURATI DESIGNS Performance Magnetic Oil Dipstick replaces OEM components with...07100303- SKU:
- 07100303
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Curved - Blue - M8 Touring/Trike FDP01-M8SM-B
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical to engine longevity, and a faulty dipstick can lead to overfilling, starvation, or missed maintenance intervals. The FIGURATI DESIGNS Performance Magnetic...07100304- SKU:
- 07100304
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Knurled - Purple - '07-'16 Touring/Trike FDP01-TCKN-P
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical to engine health and performance longevity. The FIGURATI DESIGNS Performance Magnetic Oil Dipstick combines precision engineering with functional aesthetics,...07100305- SKU:
- 07100305
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Curved - Purple - '07-'16 Touring/Trike FDP01-TCSM-P
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical for engine health and performance—especially on high-mileage touring bikes where oil degradation accelerates under sustained load. The FIGURATI DESIGNS...07100306- SKU:
- 07100306
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Knurled - Red - '07-'16 Touring/Trike FDP01-TCKN-R
FIGURATI DESIGNS
$169.95An accurate oil level reading is fundamental to engine health, and a standard plastic dipstick can warp, crack, or provide inconsistent measurements under heat cycles. The FIGURATI DESIGNS...07100307- SKU:
- 07100307
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Curved - Red - '07-'16 Touring/Trike FDP01-TCSM-R
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical to engine health, and a quality dipstick eliminates guesswork at every check. The FIGURATI DESIGNS Performance Magnetic Oil Dipstick combines precision...07100308- SKU:
- 07100308
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Curved - Gold - '07-'16 Touring/Trike FDP01-TCSM-G
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical to engine health, and a quality dipstick gives you real-time visibility into your Touring or Trike's lubrication status. The FIGURATI DESIGNS Performance...07100310- SKU:
- 07100310
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Knurled - Blue - '07-'16 Touring/Trike FDP01-TCSM-B
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical to engine longevity, and a worn or illegible factory dipstick compromises your ability to catch problems before they become expensive. The FIGURATI DESIGNS...07100311- SKU:
- 07100311
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
FIGURATI DESIGNS Performance Magnetic Oil Dipstick - Curved - Blue - '07-'16 Touring/Trike FDP01-TCKN-B
FIGURATI DESIGNS
$169.95Accurate oil level monitoring is critical to engine health, and a magnetic dipstick gives you real-time visibility into contamination that standard dipsticks miss. The FIGURATI DESIGNS Performance...07100312- SKU:
- 07100312
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
FEULING OIL PUMP CORP. Gorilla Rocker Shafts 1235
FEULING OIL PUMP CORP.
$179.95Factory rocker shafts are often the weak link in high-performance Twin Cam builds, especially when you're pushing higher lift camshafts and aggressive valve spring pressures. FEULING's Gorilla Rocker...09270043- SKU:
- 09270043
- Availability:
- Ships Same Business Day
- Weight:
- 2.11 LBS
$179.95 -
FEULING OIL PUMP CORP. Gorilla Rocker Shaft and Bolt Kit 1236
FEULING OIL PUMP CORP.
$279.95If you're pushing your Twin Cam engine hard—especially with aggressive cam profiles and heavy valve spring pressures—stock rocker shafts become a liability. The Feuling Gorilla Rocker Shaft and Bolt...09270044- SKU:
- 09270044
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
$279.95 -
FEULING OIL PUMP CORP. Gorilla Rocker Shaft and Bolt Kit 1237
FEULING OIL PUMP CORP.
$269.95When you're running higher lift camshafts and aggressive valve spring pressures, your stock rocker shafts become a liability—flex, wear, and potential valve train failure are real risks. The Feuling...09270045- SKU:
- 09270045
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
$269.95 -
S&S CYCLE Pushrod Cover Keeper Set - Chrome - 2.200" 930-0129
S&S CYCLE
$40.95Custom engine builds often require pushrod cover hardware that extends beyond stock specifications—this S&S Cycle Pushrod Cover Keeper Set delivers the solution. When your engine's geometry demands...09280121- SKU:
- 09280121
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$40.95
