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 Pushrod Kit - XL 292025
ANDREWS
$131.95Pushrod geometry directly impacts valve timing accuracy and engine responsiveness—undersized or worn OE rods introduce slop that kills performance. The ANDREWS XL 292025 kit delivers fixed-length precision engineering with a weight savings that reduces...DS193123- SKU:
- DS193123
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- PRODUCT NAME:
- PUSHROD
- UNITS:
- SET OF 4
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- FIXED LENGTH
$131.95 -
ANDREWS Adjustable Pushrods - Evolution 292110
ANDREWS
$234.95Evolution engine builders know that valve train geometry directly impacts combustion efficiency and engine longevity. ANDREWS Adjustable Pushrods give you precise control over valve lash and geometry—critical for optimizing performance and preventing...DS193124- SKU:
- DS193124
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- UNITS:
- 4 PACK
- STYLE:
- ADJUSTABLE
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PUSHROD
$234.95 -
ANDREWS Chromoly Pushrods - Twin Cam 292088
ANDREWS
$297.95Routine cam changes and valve maintenance shouldn't require pulling your entire engine apart. ANDREWS Chromoly Pushrods deliver the precision fit and durability you need while eliminating unnecessary disassembly—keeping your rocker boxes sealed and your...DS199013- SKU:
- DS199013
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- PRODUCT NAME:
- PUSHROD
- MATERIAL:
- CHROMOLY
- RIDING STYLE:
- STREET
- MODEL:
- EZ-INSTALL
- UNITS:
- 4 PACK
$297.95 -
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 while maintaining compatibility with OEM components,...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. Built to work seamlessly with stock hydraulic lifters...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°
$504.95Qty in Cart: 0Quantity:Price:$504.95Subtotal: -
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. This upgraded iteration of the classic #6 grind offers...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
$251.95Qty in Cart: 0Quantity:Price:$251.95Subtotal: -
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 existing valve springs and tappets, making it an...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 fuel-injected Twin Cam engines, this gear-driven cam is...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 or mildly modified Twin Cam engines. This bolt-in cam...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 standards and manufactured domestically, this gear...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 valve float at bay with stock springs. This hydraulic...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
$251.95 -
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 gas tank, cutting labor time significantly and reducing...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 RM2141-B mounts directly to your front motor location,...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
$72.05A 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 construction with reinforced synthetic rubber that...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
$72.05 -
DRAG SPECIALTIES Oil Line - Black - 1/2" - 2' DOH-0122
DRAG SPECIALTIES
$21.58Reliable 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 delivers consistent flow without leaks or rupture, giving you...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
$21.58 -
DRAG SPECIALTIES Transmission Oil Drain Tool - FLT 0712-0314
DRAG SPECIALTIES
$35.52Transmission 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 eliminates that frustration by directing fluid cleanly into...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
$35.52 -
DRAG SPECIALTIES Oil Filter Mount - Black 74900W
DRAG SPECIALTIES
$93.68If 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 delivers superior rigidity and thermal management while...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
$93.68 -
DRAG SPECIALTIES Rear and Front Oil Tank Bracket - Softail 74022
DRAG SPECIALTIES
$47.33A 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 that restores both function and appearance on your...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
$47.33 -
DRAG SPECIALTIES Rocker Box Oil Line - XL 70386
DRAG SPECIALTIES
$29.82Maintaining 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 and potential leak points with a complete, engineered...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
$29.82Qty in Cart: 0Quantity:Price:$29.82Subtotal: -
DRAG SPECIALTIES Oil Line Tube Fitting 71048E
DRAG SPECIALTIES
$8.19If 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 to your oil delivery system, ensuring consistent...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
$8.19
