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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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 functional design with precision manufacturing,...09320313- SKU:
- 09320313
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$199.99 -
On Sale
S&S CYCLE Bolt Kit - Pinion and Camshaft - Big Twin | M8 500-1910
S&S CYCLE
MSRP: $37.95Now: $34.16Was: $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 eliminates this weak point with premium 8740 chrome...09251614- SKU:
- 09251614
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
MSRP: $37.95Now: $34.16Was: $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 allows larger-diameter headers to sit closer to the block...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 tuning capability without fabrication, letting you...09330144- SKU:
- 09330144
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$125.99Qty in Cart: 0Quantity:Price:$125.99Subtotal: -
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 front-end feel, eliminate unwanted feedback, and...09330145- SKU:
- 09330145
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$135.99Qty in Cart: 0Quantity:Price:$135.99Subtotal: -
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. The FIGURATI DESIGNS Performance Magnetic Oil Dipstick...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 precision engineering with practical functionality, giving you...07100301- SKU:
- 07100301
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
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 a precision-engineered tool that delivers reliable...07100303- SKU:
- 07100303
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
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 Oil Dipstick delivers precise readings with a curved...07100304- SKU:
- 07100304
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
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, allowing you to quickly assess oil condition and level...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 Performance Magnetic Oil Dipstick replaces your OEM stick...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 Performance Magnetic Oil Dipstick replaces guesswork with...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 engineering with reliable visibility, giving you confidence...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 Magnetic Oil Dipstick replaces guesswork with precision,...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 Performance Magnetic Oil Dipstick delivers precision...07100311- SKU:
- 07100311
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$169.95 -
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 Magnetic Oil Dipstick combines precision engineering with...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 Shafts deliver over double the strength of OEM...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 Kit eliminates flex and harmonics that rob power and...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 Gorilla Rocker Shaft and Bolt Kit is engineered to...09270045- SKU:
- 09270045
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
$269.95 -
On Sale
S&S CYCLE Pushrod Cover Keeper Set - Chrome - 2.200" 930-0129
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $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 longer keepers, settling for inadequate retention risks...09280121- SKU:
- 09280121
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
MSRP: $40.95Now: $36.86Was: $40.95
