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
-
On Sale
S&S CYCLE Cylinders - 4.125" - Black 910-0255
S&S CYCLE
MSRP: $924.95Now: $832.46Was: $924.95If you're building a 124-cubic-inch big-bore engine for your Twin Cam, these S&S Cycle cylinders are purpose-built to deliver the displacement and reliability your performance setup demands. Slightly...09031294- SKU:
- 09031294
- Availability:
- Ships Same Business Day
- Weight:
- 22.00 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- PAIR
MSRP: $924.95Now: $832.46Was: $924.95 -
On Sale
S&S CYCLE Piston Kit 106-0433
S&S CYCLE
MSRP: $481.95Now: $433.76Was: $481.95If you're running an 883cc or 1200cc Big Twin and want genuine displacement gains without a complete engine teardown, this S&S piston kit delivers a straightforward path to 1250cc performance. The 10...09105021- SKU:
- 09105021
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- BORE - OVERSIZE:
- +0,005'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- DISPLACEMENT:
- 103'
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
MSRP: $481.95Now: $433.76Was: $481.95Qty in Cart: 0Quantity:Price:MSRP: $481.95Now: $433.76Was: $481.95Subtotal: -
On Sale
S&S CYCLE Compression Fitting 50-8120
S&S CYCLE
MSRP: $33.95Now: $30.56Was: $33.95Precision fuel and oil line connections demand components that won't leak under pressure or vibration. The S&S Cycle Compression Fitting 50-8120 delivers the reliability you need in high-performance...07110233- SKU:
- 07110233
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- CHROME
- STYLE:
- COMPRESSION
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- EACH
MSRP: $33.95Now: $30.56Was: $33.95 -
On Sale
S&S CYCLE 90 Degree Oil Fitting - 5-Pack 50-1007
S&S CYCLE
MSRP: $61.95Now: $55.76Was: $61.95Proper oil line routing is critical to engine performance and longevity, and cheap fittings can leak under pressure or fail during high-RPM operation. S&S Cycle's 90-degree oil fittings are...07110234- SKU:
- 07110234
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- FITTING ANGLE:
- 90°
- STYLE:
- ELBOW
- UNITS:
- 5 PACK
MSRP: $61.95Now: $55.76Was: $61.95 -
On Sale
S&S CYCLE Oil Filter Mount Fitting - Straight - 3/4"-16 UNF 2a 50-8197-S
S&S CYCLE
MSRP: $17.95Now: $16.16Was: $17.95A reliable oil filter mount fitting is critical infrastructure for any custom engine build or forced induction system where you need precise oil routing and filtration control. This S&S Cycle...07110235- SKU:
- 07110235
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- FITTING
- STYLE:
- STRAIGHT
- RIDING STYLE:
- STREET
- TYPE:
- OIL
MSRP: $17.95Now: $16.16Was: $17.95 -
On Sale
S&S CYCLE Oil Filter Mount - Polished 31-6510
S&S CYCLE
MSRP: $195.95Now: $176.36Was: $195.95If you're running a high-performance engine, your oil filtration system needs to be as reliable and precise as the rest of your build. The S&S Cycle Oil Filter Mount eliminates casting defects and...07120059- SKU:
- 07120059
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- TYPE:
- OIL FILTER
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MOUNT
- RIDING STYLE:
- STREET
- BASE FINISH:
- POLISHED
- UNITS:
- EACH
MSRP: $195.95Now: $176.36Was: $195.95 -
On Sale
S&S CYCLE Oil Line Installation Kit 310-0435
S&S CYCLE
MSRP: $195.95Now: $176.36Was: $195.95Upgrading your '07-'16 FLT with an S&S crankcase requires proper oil circulation to ensure reliability and longevity. This OEM-quality installation kit delivers the correct hose routing and fittings...07110220- SKU:
- 07110220
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- FEATURES:
- INCLUDES FITTING
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES CLAMP
- PRODUCT NAME:
- OIL LINE KIT
MSRP: $195.95Now: $176.36Was: $195.95 -
On Sale
S&S CYCLE Oil Filter Mount - Chrome 106-3884
S&S CYCLE
MSRP: $275.95Now: $248.36Was: $275.95If you're running a high-performance engine, your oil filtration system needs to be as reliable as the rest of your build. This S&S Cycle oil filter mount eliminates common failure points—casting...07120312- SKU:
- 07120312
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- OIL FILTER
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- MOUNT
MSRP: $275.95Now: $248.36Was: $275.95 -
On Sale
S&S CYCLE Oil Filter Mount - Polished 31-4105
S&S CYCLE
MSRP: $399.95Now: $359.96Was: $399.95If you're running a high-performance engine, your oil filtration system needs to keep pace with your build. The S&S Cycle Oil Filter Mount delivers a precision-engineered solution that eliminates...07120313- SKU:
- 07120313
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MOUNT
- RIDING STYLE:
- STREET
- BASE FINISH:
- POLISHED
- TYPE:
- OIL FILTER
MSRP: $399.95Now: $359.96Was: $399.95 -
On Sale
S&S CYCLE Oil Filter - Black 31-4101A
S&S CYCLE
MSRP: $20.95Now: $18.86Was: $20.95A quality oil filter is non-negotiable for engine longevity, and the S&S Cycle 31-4101A delivers superior filtration where it counts most. This purpose-built canister traps smaller contaminants than...07120538- SKU:
- 07120538
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- TYPE:
- CANISTER
MSRP: $20.95Now: $18.86Was: $20.95Qty in Cart: 0Quantity:Price:MSRP: $20.95Now: $18.86Was: $20.95Subtotal: -
On Sale
S&S CYCLE Oil Filter - Black - 12-Pack 310-0241
S&S CYCLE
MSRP: $183.95Now: $165.56Was: $183.95Oil filtration directly impacts engine longevity and performance—contamination accelerates wear on critical components, reducing reliability when it matters most. S&S Cycle's premium filter design...07120494- SKU:
- 07120494
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- OIL FILTER
- UNITS:
- 12 PACK
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- FEATURES:
- ANTI-DRAIN BACK VALVE
- TYPE:
- CANISTER
- RIDING STYLE:
- STREET
MSRP: $183.95Now: $165.56Was: $183.95 -
On Sale
S&S CYCLE Oil Filter - Black - 12-Pack 310-0239
S&S CYCLE
MSRP: $183.95Now: $165.56Was: $183.95Engine longevity depends on clean oil, and stock filters miss too many contaminants during bypass conditions. The S&S Cycle Oil Filter captures smaller particles while maintaining stock flow rates,...07120496- SKU:
- 07120496
- Availability:
- Ships Same Business Day
- Weight:
- 7.75 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- 12 PACK
- PRODUCT NAME:
- OIL FILTER
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
- TYPE:
- CANISTER
MSRP: $183.95Now: $165.56Was: $183.95 -
On Sale
S&S CYCLE P93 Series Engine 106-0821
S&S CYCLE
MSRP: $11,495.95Now: $10,346.36Was: $11,495.95If you're building a custom Harley-Davidson with 1970–1999 alternator-style chassis, the S&S P93 delivers authentic panhead aesthetics paired with modern engineering that actually runs hard. This...09010180- SKU:
- 09010180
- Availability:
- Ships Same Business Day
- Weight:
- 162.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- DISPLACEMENT:
- 93'
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.625'
- COLOR/FINISH:
- SILVER
- MODEL:
- P-SERIES
MSRP: $11,495.95Now: $10,346.36Was: $11,495.95Qty in Cart: 0Quantity:Price:MSRP: $11,495.95Now: $10,346.36Was: $11,495.95Subtotal: -
On Sale
S&S CYCLE V80 Long-Block Engine - Evolution 310-0233
S&S CYCLE
MSRP: $7,099.95Now: $6,389.96Was: $7,099.95Rebuilding an aging 80" Evolution engine wastes time and money when you can drop in a completely new long-block with modern S&S engineering and immediately reclaim reliable power. This bolt-in...09010187- SKU:
- 09010187
- Availability:
- Ships Same Business Day
- Weight:
- 148.00 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- COOLING SYSTEM:
- AIR COOLED
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 8.4:1
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- UNITS:
- EACH
MSRP: $7,099.95Now: $6,389.96Was: $7,099.95 -
On Sale
S&S CYCLE V80 Series Engine 310-0232
S&S CYCLE
MSRP: $7,099.95Now: $6,389.96Was: $7,099.95Rather than sinking time and money into rebuilding an aging 80" Evolution engine, the S&S Cycle V80 Series delivers a complete, factory-fresh replacement that bolts directly into your 1984–'99 Harley...09010188- SKU:
- 09010188
- Availability:
- Ships Same Business Day
- Weight:
- 150.00 LBS
- COLOR/FINISH:
- SILVER
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE SIZE IMPERIAL:
- 3.500'
- MODEL:
- V-SERIES
- TYPE:
- LONG BLOCK
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 8.4:1
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
MSRP: $7,099.95Now: $6,389.96Was: $7,099.95 -
On Sale
S&S CYCLE SH93 Engine 31-9905
S&S CYCLE
MSRP: $9,995.95Now: $8,996.36Was: $9,995.95The S&S SH93 is a fully-assembled, turnkey 93-cubic-inch engine built specifically for 1970–84 Harley-Davidson big twins. If you're restoring a classic or building a retro custom, this engine...09010202- SKU:
- 09010202
- Availability:
- Ships Same Business Day
- Weight:
- 156.01 LBS
- TYPE:
- COMPLETE
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.625'
- COLOR/FINISH:
- NATURAL
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- STYLE:
- VINTAGE
MSRP: $9,995.95Now: $8,996.36Was: $9,995.95Qty in Cart: 0Quantity:Price:MSRP: $9,995.95Now: $8,996.36Was: $9,995.95Subtotal: -
On Sale
S&S CYCLE V111 Long-Block Engine 310-0829
S&S CYCLE
MSRP: $7,999.95Now: $7,199.96Was: $7,999.95The S&S Cycle V111 Long-Block Engine delivers a genuine +30% power increase over stock while maintaining reliability through a short-stroke design that reduces vibration and extends engine life. Its...09010208- SKU:
- 09010208
- Availability:
- Ships Same Business Day
- Weight:
- 149.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.8:1
- STROKE LENGTH IMPERIAL:
- 4-1/8'
- UNITS:
- EACH
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- TYPE:
- LONG BLOCK
- COOLING SYSTEM:
- AIR COOLED
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 111'
MSRP: $7,999.95Now: $7,199.96Was: $7,999.95 -
On Sale
S&S CYCLE V80R Series Engine 31-9150
S&S CYCLE
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95The S&S Cycle V80R Series delivers genuine big-inch power without requiring custom fabrication or frame modifications. Built with S&S forged internals and a proven 10:1 compression ratio, this...09010224- SKU:
- 09010224
- Availability:
- Ships Same Business Day
- Weight:
- 156.00 LBS
- BORE SIZE METRIC:
- 88.90 MM
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- UNITS:
- EACH
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95Qty in Cart: 0Quantity:Price:MSRP: $8,599.95Now: $7,739.96Was: $8,599.95Subtotal: -
On Sale
S&S CYCLE V96R Series Engine 31-9156
S&S CYCLE
MSRP: $8,999.95Now: $8,099.96Was: $8,999.95The S&S Cycle V96R Series delivers 96 cubic inches of displacement without requiring frame modifications or custom fabrication—bolt it into your Harley and gain immediate performance gains. With S&S...09010226- SKU:
- 09010226
- Availability:
- Ships Same Business Day
- Weight:
- 153.00 LBS
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 96'
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- BORE SIZE METRIC:
- 92.08 MM
- COMPRESSION RATIO IMPERIAL:
- 10.1:1
- MODEL:
- V-SERIES
- UNITS:
- EACH
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
MSRP: $8,999.95Now: $8,099.96Was: $8,999.95 -
On Sale
S&S CYCLE V80 Series Engine 310-0238
S&S CYCLE
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95If you're looking to extract real performance gains without the complexity and expense of a full big-inch build, the S&S V80 Series delivers measurable horsepower and torque in a drop-in package. You...09010230- SKU:
- 09010230
- Availability:
- Ships Same Business Day
- Weight:
- 150.01 LBS
- MODEL:
- V-SERIES
- PRODUCT NAME:
- ENGINE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 8.4:1
- UNITS:
- EACH
- BORE SIZE METRIC:
- 88.90 MM
- DISPLACEMENT:
- 80'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- COLOR/FINISH:
- CHROME
MSRP: $8,599.95Now: $7,739.96Was: $8,599.95
