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
-
ANDREWS Cam Drive Sprocket 288020
ANDREWS
$77.95The ANDREWS Cam Drive Sprocket 288020 is engineered for builders and racers who demand reliability in their top-end assembly. This domestically manufactured sprocket delivers precise timing control...DS199074- SKU:
- DS199074
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CRANKSHAFT
- MATERIAL:
- STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$77.95 -
ANDREWS N2 Grind Cam - XL 298130
ANDREWS
$504.95The Andrews N2 Grind Cam XL 298130 delivers aggressive lift and duration designed for street and strip applications that demand reliable, repeatable performance without extensive engine modifications...DS199075- SKU:
- DS199075
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- EXHAUST CLOSE IMPERIAL:
- 18°
- EXHAUST DURATION IMPERIAL:
- 244°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.155'
- GRIND:
- N2
- INTAKE CLOSE IMPERIAL:
- 38°
- INTAKE DURATION IMPERIAL:
- 240°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.180'
- INTAKE LIFT IMPERIAL:
- 0.465'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
- TYPE:
- GEAR
- APPLICATION:
- EXHAUST
- EXHAUST LIFT IMPERIAL:
- 0.440'
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- EXHAUST OPEN IMPERIAL:
- 46°
- INTAKE OPEN IMPERIAL:
- 22°
$504.95 -
ANDREWS 7 Grind Camshaft 212539
ANDREWS
$251.95If you're building a stroker engine that demands reliable mid-range power delivery, the Andrews 7 Grind Camshaft is engineered to maximize torque production across the RPM band where it matters most...09250299- SKU:
- 09250299
- Availability:
- Ships Same Business Day
- Weight:
- 1.89 LBS
- APPLICATION:
- EXHAUST
- INTAKE LIFT AT TDC IMPERIAL:
- SHOVEL: 0.206' PAN: 0.217'
- PRODUCT NAME:
- CAM
- APPLICATION:
- INTAKE
- EXHAUST LIFT AT TDC IMPERIAL:
- SHOVEL: 0.186' PAN: 0.196'
- EXHAUST LIFT IMPERIAL:
- SHOVEL: 0.510' PAN: 0.535'
- TYPE:
- GEAR
- UNITS:
- EACH
- GRIND:
- 7 SERIES
- INTAKE LIFT IMPERIAL:
- SHOVEL: 0.510' PAN: 0.535'
- RIDING STYLE:
- STREET
$251.95 -
ANDREWS Cam Set - Dyna - Twin Cam 216354
ANDREWS
$415.95If you're running a Dyna with stock compression and want measurable torque gains without a complete engine rebuild, the ANDREWS Cam Set 216354 delivers. This bolt-in cam pairs seamlessly with your...09250278- SKU:
- 09250278
- Availability:
- Ships Same Business Day
- Weight:
- 3.11 LBS
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.158'
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.165'
- INTAKE LIFT IMPERIAL:
- 0.555'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 103°
- INTAKE OPEN IMPERIAL:
- 16°
- UNITS:
- PAIR
- APPLICATION:
- INTAKE
- GRIND:
- 54 SERIES
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- EXHAUST CLOSE IMPERIAL:
- 15°
- EXHAUST DURATION IMPERIAL:
- 238°
- EXHAUST LIFT IMPERIAL:
- 0.555'
- APPLICATION:
- EXHAUST
- EXHAUST OPEN IMPERIAL:
- 43°
- INTAKE CLOSE IMPERIAL:
- 42°
- INTAKE DURATION IMPERIAL:
- 238°
- TYPE:
- CHAIN
$415.95 -
ANDREWS Cam Set - Twin Cam 288154G
ANDREWS
$463.95The ANDREWS 288154G cam set delivers a bolt-in upgrade that increases low-to-mid-range torque without requiring compression modifications or valve spring replacement. Built for both carbureted and...09250281- SKU:
- 09250281
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- APPLICATION:
- EXHAUST
- EXHAUST OPEN IMPERIAL:
- 43°
- INTAKE CLOSE IMPERIAL:
- 42°
- INTAKE DURATION IMPERIAL:
- 238°
- EXHAUST CLOSE IMPERIAL:
- 15°
- EXHAUST DURATION IMPERIAL:
- 238°
- EXHAUST LIFT IMPERIAL:
- 0.555'
- APPLICATION:
- INTAKE
- GRIND:
- 54 SERIES
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.158'
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.165'
- INTAKE LIFT IMPERIAL:
- 0.555'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 103°
- INTAKE OPEN IMPERIAL:
- 16°
- UNITS:
- PAIR
$463.95Qty in Cart: 0Quantity:Price:$463.95Subtotal: -
ANDREWS Cam Set - Twin Cam 288154
ANDREWS
$415.95The ANDREWS Cam Set 288154 delivers increased low-to-mid range torque without requiring extensive engine modifications, making it an ideal upgrade for riders seeking better throttle response on stock...09250282- SKU:
- 09250282
- Availability:
- Ships Same Business Day
- Weight:
- 3.21 LBS
- EXHAUST LIFT IMPERIAL:
- 0.555'
- EXHAUST OPEN IMPERIAL:
- 43°
- INTAKE CLOSE IMPERIAL:
- 42°
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 238°
- INTAKE LIFT IMPERIAL:
- 0.555'
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- APPLICATION:
- EXHAUST
- EXHAUST CLOSE IMPERIAL:
- 15°
- EXHAUST DURATION IMPERIAL:
- 238°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.158'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 103°
- TYPE:
- CHAIN
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- GRIND:
- 54 SERIES
- INTAKE LIFT AT TDC IMPERIAL:
- 0.165'
- INTAKE OPEN IMPERIAL:
- 16°
$415.95 -
ANDREWS Cam Drive Gear - Big Twin 212033
ANDREWS
$66.95The ANDREWS Cam Drive Gear (212033) is engineered to deliver reliable valve timing synchronization in Big Twin applications where precision and durability are non-negotiable. Heat-treated to exacting...09250577- SKU:
- 09250577
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- UNITS:
- EACH
- DIAMETER IMPERIAL:
- 2.7324'
- PRODUCT NAME:
- DRIVE GEAR
- RIDING STYLE:
- STREET
- TYPE:
- CAMSHAFT
$66.95 -
ANDREWS EV59 Cam - Big Twin 291159
ANDREWS
$251.95If you're running a modified Big Twin and want to push past 6000 rpm without sacrificing reliability, the Andrews EV59 is engineered to deliver consistent power across a broad rpm range while keeping...DS199444- SKU:
- DS199444
- Availability:
- Ships Same Business Day
- Weight:
- 2.13 LBS
- APPLICATION:
- EXHAUST
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 106°
- INTAKE CLOSE IMPERIAL:
- 48°
- UNITS:
- EACH
- INTAKE DURATION IMPERIAL:
- 256°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 100°
- INTAKE OPEN IMPERIAL:
- 28°
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 260°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.208'
- EXHAUST OPEN IMPERIAL:
- 56°
- GRIND:
- EV59
- TYPE:
- GEAR
- EXHAUST CLOSE IMPERIAL:
- 24°
- EXHAUST LIFT IMPERIAL:
- 0.560'
- INTAKE LIFT AT TDC IMPERIAL:
- 0.236'
- INTAKE LIFT IMPERIAL:
- 0.560'
- PRODUCT NAME:
- CAM
$251.95Qty in Cart: 0Quantity:Price:$251.95Subtotal: -
ANDREWS EZ-Install Pushrods 292215
ANDREWS
$305.95Changing cams or performing routine valve train maintenance shouldn't demand hours of disassembly work. The Andrews EZ-Install Pushrods eliminate the need to remove your rocker boxes or drain your...DS193852- SKU:
- DS193852
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- PRODUCT NAME:
- PUSHROD
- MATERIAL:
- ALUMINUM
- UNITS:
- 4 PACK
- MODEL:
- EZ-INSTALL
- RIDING STYLE:
- STREET
$305.95 -
ACCUTRONIX Oil Filter Mount - Black RM2141-B
ACCUTRONIX
$138.95A clean oil supply is foundational to engine reliability, and this billet oil filter mount gives you precise control over filtration and pressure regulation without compromise. The ACCUTRONIX...09320082- SKU:
- 09320082
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- MOUNT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- TYPE:
- OIL FILTER
- UNITS:
- KIT
$138.95 -
DRAG SPECIALTIES Oil Line - Black - 3/8" - 8' DOH-0388
DRAG SPECIALTIES
$74.15A quality oil line is foundational to any high-performance engine setup, and failure here means catastrophic engine damage. The DRAG Specialties Oil Line delivers reliable, fuel- and oil-resistant...07110195- SKU:
- 07110195
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- COLOR/FINISH:
- BLACK
- INSIDE DIAMETER METRIC:
- 9.5 MM
- LENGTH METRIC:
- 244 CM
- INSIDE DIAMETER IMPERIAL:
- 3/8'
- LENGTH IMPERIAL:
- 8'
- MATERIAL:
- SYNTHETIC RUBBER
- PRODUCT NAME:
- HOSE
- UNITS:
- EACH
- HOSE SIZE:
- -6
- RIDING STYLE:
- STREET
- TYPE:
- FUEL
- TYPE:
- OIL
- BASE COLOR:
- BLACK
$74.15 -
DRAG SPECIALTIES Oil Line - Black - 1/2" - 2' DOH-0122
DRAG SPECIALTIES
$22.21Reliable oil line routing is non-negotiable in high-performance engines where pressure spikes and temperature swings demand materials that won't degrade or fail. This Drag Specialties oil line...07110196- SKU:
- 07110196
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BASE COLOR:
- BLACK
- INSIDE DIAMETER IMPERIAL:
- 1/2'
- INSIDE DIAMETER METRIC:
- 12.7 MM
- LENGTH IMPERIAL:
- 24'
- RIDING STYLE:
- STREET
- HOSE SIZE:
- -8
- LENGTH METRIC:
- 61 CM
- MATERIAL:
- SYNTHETIC RUBBER
- PRODUCT NAME:
- HOSE
- UNITS:
- EACH
- TYPE:
- OIL
- COLOR/FINISH:
- BLACK
- TYPE:
- FUEL
$22.21 -
DRAG SPECIALTIES Transmission Oil Drain Tool - FLT 0712-0314
DRAG SPECIALTIES
$36.21Transmission fluid cleanup is one of those necessary evils in any shop—messy, time-consuming, and prone to spills that end up coating your frame. The DRAG SPECIALTIES Transmission Oil Drain Tool...07120314- SKU:
- 07120314
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL DRAIN
- COLOR/FINISH:
- SILVER
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- TOOL
- UNITS:
- EACH
$36.21 -
DRAG SPECIALTIES Oil Filter Mount - Black 74900W
DRAG SPECIALTIES
$95.50If you're running forced induction or upgrading your oil system for increased flow and cooling capacity, the OEM cast mount becomes a genuine weak point. This Drag Specialties billet replacement...07120390- SKU:
- 07120390
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- MOUNT
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- TYPE:
- OIL FILTER
$95.50 -
DRAG SPECIALTIES Rear and Front Oil Tank Bracket - Softail 74022
DRAG SPECIALTIES
$48.71A factory oil tank bracket can deteriorate, crack, or simply fail to match your bike's aesthetic. This DRAG SPECIALTIES bracket replaces worn or damaged originals with a chrome-finished alternative...DS310255- SKU:
- DS310255
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- COLOR/FINISH:
- CHROME
- STYLE:
- SOFTAIL (SWING ARM)
- RIDING STYLE:
- STREET
- UNITS:
- SET
- TYPE:
- OIL TANK
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- MOUNTING BRACKET
$48.71 -
DRAG SPECIALTIES Rocker Box Oil Line - XL 70386
DRAG SPECIALTIES
$30.69Maintaining proper oil circulation to your rocker boxes is critical for valve train longevity and consistent performance. This Drag Specialties chromed steel oil line set eliminates weak OEM routing...DS246005- SKU:
- DS246005
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- COLOR/FINISH:
- CHROME
- TYPE:
- ROCKER
- UNITS:
- SET
- BASE FINISH:
- CHROME
- FEATURES:
- INCLUDES SEAL
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES FITTING
- PRODUCT NAME:
- OIL LINE KIT
- MATERIAL:
- STEEL
$30.69Qty in Cart: 0Quantity:Price:$30.69Subtotal: -
DRAG SPECIALTIES Oil Line Tube Fitting 71048E
DRAG SPECIALTIES
$8.43If you're running Drag Specialties rocker oil lines, a failed or damaged fitting can mean catastrophic oil leakage and engine damage in seconds. This replacement tube fitting restores a reliable seal...DS246050- SKU:
- DS246050
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL LINE
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$8.43 -
DRAG SPECIALTIES Oil Line with Fittings - Stainless Steel - 8" 608
DRAG SPECIALTIES
$30.69Reliable oil supply lines are critical to maintaining consistent engine performance under high-stress racing conditions. This stainless steel line resists corrosion and thermal cycling, ensuring...07110043- SKU:
- 07110043
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- INSIDE DIAMETER IMPERIAL:
- 11/32'
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- UNIVERSAL
- STYLE:
- BRAIDED
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- LENGTH IMPERIAL:
- 8'
- LENGTH METRIC:
- 20.5 CM
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- COLOR/FINISH:
- CHROME
- FITTING CONNECTOR TYPE:
- 1/8' NPT
- INSIDE DIAMETER METRIC:
- 8.7 MM
- PRODUCT NAME:
- LINE
$30.69Qty in Cart: 0Quantity:Price:$30.69Subtotal: -
DRAG SPECIALTIES Oil Line with Fittings - Stainless Steel - 10" 610
DRAG SPECIALTIES
$31.75Managing oil flow in high-performance applications demands precision tubing that won't fail under pressure or heat cycling. This stainless steel line delivers the durability and reliability your...07110045- SKU:
- 07110045
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- STYLE:
- BRAIDED
- INSIDE DIAMETER IMPERIAL:
- 11/32'
- LENGTH METRIC:
- 25.5 CM
- PRODUCT NAME:
- LINE
- STYLE:
- UNIVERSAL
- COLOR/FINISH:
- CHROME
- FITTING CONNECTOR TYPE:
- 1/8' NPT
- INSIDE DIAMETER METRIC:
- 8.7 MM
- LENGTH IMPERIAL:
- 10'
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$31.75 -
DRAG SPECIALTIES Oil Line with Fittings - Stainless Steel - 13" 613
DRAG SPECIALTIES
$32.81Reliable oil lines are fundamental to engine longevity and consistent performance in high-demand racing applications. This stainless steel line resists corrosion and thermal degradation while the...07110048- SKU:
- 07110048
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- COLOR/FINISH:
- CHROME
- INSIDE DIAMETER METRIC:
- 8.7 MM
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 11/32'
- PRODUCT NAME:
- LINE
- BASE COLOR:
- SILVER
- FITTING CONNECTOR TYPE:
- 1/8' NPT
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- LENGTH IMPERIAL:
- 13'
- LENGTH METRIC:
- 33 CM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- BRAIDED
- STYLE:
- UNIVERSAL
$32.81