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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FIGURATI DESIGNS Magnetic Oil Dipstick - Knurled - Black - Indian FD01-MAGDSPP-KN-BLK
FIGURATI DESIGNS
$159.95Engine wear debris and ferrous contaminants circulate through your oil, accelerating bearing wear and reducing engine longevity. The FIGURATI DESIGNS Magnetic Oil Dipstick intercepts harmful metal...07100318- SKU:
- 07100318
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$159.95 -
FIGURATI DESIGNS Magnetic Oil Dipstick - Curved - Silver - Indian FD01-MAGDSPP-SM-SS
FIGURATI DESIGNS
$159.95Ferrous contamination in your engine oil is a silent killer—microscopic metal particles from wear accelerate degradation and shorten engine life. The FIGURATI DESIGNS Magnetic Oil Dipstick intercepts...07100319- SKU:
- 07100319
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$159.95 -
FIGURATI DESIGNS Magnetic Oil Dipstick - Curved - Black - Indian FD01-MAGDSPP-SM-BLK
FIGURATI DESIGNS
$159.95Ferrous metal contamination in your engine oil is a silent killer—wear particles from internal components degrade lubrication quality and accelerate damage. The FIGURATI DESIGNS Magnetic Oil Dipstick...07100320- SKU:
- 07100320
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$159.95 -
DRAG SPECIALTIES Pop-Up Dipstick - Chrome - Sportster 80983
DRAG SPECIALTIES
$35.99Accurate oil level monitoring is critical for engine longevity, and the DRAG Specialties Pop-Up Dipstick eliminates guesswork with its intuitive visual indicator. This chrome-finished piece combines...07100280- SKU:
- 07100280
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$35.99Qty in Cart: 0Quantity:Price:$35.99Subtotal: -
JAGG OIL COOLERS Oil Cooler Kit - Vertical - Deluxe 750-1000-0323
JAGG OIL COOLERS
$450.95Engine longevity depends on maintaining optimal oil temperatures, and sustained heat under demanding riding conditions accelerates wear and degrades performance. The JAGG Oil Cooler Kit—Vertical...07130272- SKU:
- 07130272
- Availability:
- Ships Same Business Day
- Weight:
- 4.21 LBS
$450.95Qty in Cart: 0Quantity:Price:$450.95Subtotal: -
JAGG OIL COOLERS Oil Cooler Kit - Vertical - Slimline 750-1200-0323
JAGG OIL COOLERS
$399.95Engine longevity depends on consistent oil temperature management, and sustained heat under aggressive riding or racing conditions accelerates wear, deposits, and viscosity breakdown. The JAGG...07130273- SKU:
- 07130273
- Availability:
- Ships Same Business Day
- Weight:
- 3.66 LBS
$399.95Qty in Cart: 0Quantity:Price:$399.95Subtotal: -
JAGG OIL COOLERS Oil Cooler Kit - Low Mount - Softail 750-1290-0323
JAGG OIL COOLERS
$399.95Sustained high-performance riding generates extreme engine temperatures that accelerate wear and reduce reliability. The JAGG Low Mount Oil Cooler for Softail models actively reduces oil temperature...07130274- SKU:
- 07130274
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
$399.95Qty in Cart: 0Quantity:Price:$399.95Subtotal: -
JAGG OIL COOLERS Oil Cooler Kit - Vertical - WideLine 750-2000-0323
JAGG OIL COOLERS
$450.95Engine oil temperature directly impacts performance, longevity, and reliability—especially under sustained high-RPM or forced-induction conditions. The JAGG Vertical WideLine Oil Cooler Kit uses...07130275- SKU:
- 07130275
- Availability:
- Ships Same Business Day
- Weight:
- 3.96 LBS
$450.95Qty in Cart: 0Quantity:Price:$450.95Subtotal: -
JAGG OIL COOLERS Oil Cooler Kit - Low Mount - Touring 750-2400-0323
JAGG OIL COOLERS
$450.95Extended cruising and demanding riding conditions generate excessive heat that degrades oil viscosity and accelerates engine wear. The JAGG Oil Cooler Kit maintains optimal operating temperatures,...07130278- SKU:
- 07130278
- Availability:
- Ships Same Business Day
- Weight:
- 4.01 LBS
$450.95Qty in Cart: 0Quantity:Price:$450.95Subtotal: -
JAGG OIL COOLERS Fan-Assisted Oil Cooler Kit - Low Mount Touring/Trike 751-FP2400-0323
JAGG OIL COOLERS
$574.95Modern touring and trike riders demand oil temps that stay in check whether you're crawling through city streets or pushing hard on the highway. A fan-assisted cooler gives you the thermal management...07130279- SKU:
- 07130279
- Availability:
- Ships Same Business Day
- Weight:
- 5.21 LBS
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
JAGG OIL COOLERS Oil Cooler Kit - Low Mount - Dyna 750-2500-0323
JAGG OIL COOLERS
$450.95Engine heat is the silent killer of performance and longevity. Extended riding sessions, aggressive throttle inputs, and ambient temperature spikes push stock cooling systems beyond their limits,...07130280- SKU:
- 07130280
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
$450.95Qty in Cart: 0Quantity:Price:$450.95Subtotal: -
JAGG OIL COOLERS Fan-Assisted Oil Cooler Kit - Low Mount - Dyna 751-FP2500-0323
JAGG OIL COOLERS
$574.95Harley Dyna riders pushing their engines in heavy traffic or sustained high-rpm conditions face a critical challenge: oil temperature management at low speeds where stock cooling is insufficient. The...07130281- SKU:
- 07130281
- Availability:
- Ships Same Business Day
- Weight:
- 4.97 LBS
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
JAGG OIL COOLERS Fan-Assisted Oil Cooler Kit - Vertical 751-FP2600-0323
JAGG OIL COOLERS
$574.95Engine oil temperature management is critical to longevity and power output, especially during sustained high-load riding or track days when standard cooling becomes inadequate. The JAGG Fan-Assisted...07130282- SKU:
- 07130282
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
DRAG SPECIALTIES Pop-Up Dipstick - Black - Sportster 81000
DRAG SPECIALTIES
$37.05Accurate oil level monitoring is essential for engine longevity, especially in high-performance applications where oil starvation can mean catastrophic failure. The DRAG SPECIALTIES Pop-Up Dipstick...07100281- SKU:
- 07100281
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$37.05Qty in Cart: 0Quantity:Price:$37.05Subtotal: -
S&S CYCLE T124 Long Block Engine - Stone Gray - Touring 310-0512A
S&S CYCLE
$8,595.95The S&S Cycle T124 Long Block delivers the displacement and flow characteristics serious Touring riders demand, without requiring a complete engine teardown. This pre-assembled platform combines...09010261- SKU:
- 09010261
- Availability:
- Ships Same Business Day
- Weight:
- 157.00 LBS
$8,595.95Qty in Cart: 0Quantity:Price:$8,595.95Subtotal: -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Gear Drive - Oil Cooled - Chrome Pushrods - Twin Cam 310-1269
S&S CYCLE
MSRP: $1,522.95Now: $1,401.11Was: $1,522.95If you're running a Twin Cam engine at serious power levels, your stock cam chest isn't cutting it. This S&S Cycle kit delivers precision oil cooling and superior scavenging to keep your engine...09251579- SKU:
- 09251579
- Availability:
- Ships Same Business Day
- Weight:
- 8.87 LBS
MSRP: $1,522.95Now: $1,401.11Was: $1,522.95 -
On Sale
S&S CYCLE V111 Long-Block Engine without Induction/Ignition 310-1157
S&S CYCLE
MSRP: $7,999.95Now: $7,359.95Was: $7,999.95The S&S Cycle V111 Long-Block Engine delivers a measurable 30% boost in horsepower and torque while maintaining the reliability and longevity that serious riders demand. Its short-stroke design...09010256- SKU:
- 09010256
- Availability:
- Ships Same Business Day
- Weight:
- 151.00 LBS
- UNITS:
- EACH
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
MSRP: $7,999.95Now: $7,359.95Was: $7,999.95 -
On Sale
S&S CYCLE V124 Series Black Edition Long Block Engine without Induction/Ignition 310-1158
S&S CYCLE
MSRP: $8,299.95Now: $7,635.95Was: $8,299.95The S&S Cycle V124 Series Black Edition Long Block delivers the displacement and reliability that serious Harley riders demand. This is a purpose-built engine platform that strips away unnecessary...09010257- SKU:
- 09010257
- Availability:
- Ships Same Business Day
- Weight:
- 153.00 LBS
- UNITS:
- EACH
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- COLOR/FINISH:
- BLACK
MSRP: $8,299.95Now: $7,635.95Was: $8,299.95Qty in Cart: 0Quantity:Price:MSRP: $8,299.95Now: $7,635.95Was: $8,299.95Subtotal: -
On Sale
S&S CYCLE V124 Series Long Block Engine without Induction/Ignition 310-1159
S&S CYCLE
MSRP: $8,299.95Now: $7,635.95Was: $8,299.95The S&S Cycle V124 Series Long Block gives you a factory-engineered foundation for serious horsepower without forcing you into a complete engine bay redesign. By separating the long block from...09010258- SKU:
- 09010258
- Availability:
- Ships Same Business Day
- Weight:
- 152.01 LBS
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
MSRP: $8,299.95Now: $7,635.95Was: $8,299.95 -
On Sale
S&S CYCLE V124 Series Long Block Engine without Induction/Ignition 310-1160
S&S CYCLE
MSRP: $8,299.95Now: $7,635.95Was: $8,299.95The S&S Cycle V124 Series Long Block delivers the displacement and performance foundation serious builders demand. This purpose-built engine features premium S&S components throughout—from...09010259- SKU:
- 09010259
- Availability:
- Ships Same Business Day
- Weight:
- 153.00 LBS
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- MODEL:
- V-SERIES
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
MSRP: $8,299.95Now: $7,635.95Was: $8,299.95
