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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GARDNER-WESTCOTT Male Elbow - 3/16" x 1/8" - Chrome 7-49IE-3X2
GARDNER-WESTCOTT
$13.95Reliable hydraulic and fuel line connections demand precision fittings that won't leak under pressure. This Gardner-Westcott male elbow delivers the secure, repeatable fit professional racers and serious mechanics depend on, with a time-tested...DS245256- SKU:
- DS245256
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- FITTING
- TYPE:
- MASTER CYLINDER
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- MATERIAL:
- BRASS
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- CONNECTOR ANGLE:
- 90°
$13.95Qty in Cart: 0Quantity:Price:$13.95Subtotal: -
GARDNER-WESTCOTT Male - 90' - 3/8"-1/8" NPT - Chrome 7-91TD-6X2
GARDNER-WESTCOTT
$29.95Proper NPT fittings are essential for leak-free hydraulic and pneumatic connections in high-performance applications. This Gardner-Westcott 90-degree adapter ensures reliable fluid transfer under pressure while maintaining system integrity. Built to U.S...DS245258- SKU:
- DS245258
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- HOSE
- UNITS:
- EACH
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- COLOR/FINISH:
- CHROME
- CONNECTION TYPE:
- 3/8' HOSE FITTING
- RIDING STYLE:
- STREET
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
GARDNER-WESTCOTT Male Elbow - 5/16" x 1/8" - Chrome 7-91HB-5X2
GARDNER-WESTCOTT
$14.95Proper hose routing and fluid management are critical in any high-performance engine bay, and substandard fittings will compromise system integrity under pressure. The GARDNER-WESTCOTT Male Elbow delivers reliable directional control for fuel, coolant,...DS245259- SKU:
- DS245259
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTION TYPE:
- 5/16' HOSE FITTING
- TYPE:
- HOSE
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTION TYPE:
- 1/8' NPT (MALE)
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
GARDNER-WESTCOTT 5/16" - 1/8" NPT Fitting - Chrome 7-90HB-5X2
GARDNER-WESTCOTT
$6.95Reliable fluid transfer is critical in high-performance applications, and compromised fittings can mean catastrophic failure on the track or in the shop. The Gardner-Westcott 5/16" - 1/8" NPT Fitting delivers the precision engineering and robust...DS245272- SKU:
- DS245272
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR ANGLE:
- STRAIGHT
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- CONNECTION TYPE:
- 5/16' HOSE FITTING
- TYPE:
- OIL PUMP
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$6.95 -
GARDNER-WESTCOTT Male - Straight 3/8" - 1/8" NPT - Chrome 7-90TD-6X2
GARDNER-WESTCOTT
$16.95Reliable hydraulic and pneumatic connections demand fittings that won't fail under pressure. The Gardner-Westcott Male Straight adapter delivers consistent performance in high-demand applications, whether you're building a custom brake line, fuel system,...DS245274- SKU:
- DS245274
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- CHROME
- CONNECTION TYPE:
- 3/8' HOSE FITTING
- UNITS:
- EACH
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- RIDING STYLE:
- STREET
- CONNECTOR ANGLE:
- STRAIGHT
- TYPE:
- OIL PUMP
- PRODUCT NAME:
- FITTING
$16.95Qty in Cart: 0Quantity:Price:$16.95Subtotal: -
GARDNER-WESTCOTT Hex Socket Plug - 1/8" NPT 7-107CSP-2
GARDNER-WESTCOTT
$5.95If you're building a custom fuel system, oil cooler setup, or any pressurized application, you need fittings you can trust. The GARDNER-WESTCOTT Hex Socket Plug seals 1/8" NPT ports with precision engineering and domestic quality—no leaks, no compromises...DS245276- SKU:
- DS245276
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- CONNECTOR ANGLE:
- STRAIGHT
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- TYPE:
- PLUG
$5.95 -
ANDREWS N4 Grind Cam - XL 298150
ANDREWS
$504.95The Andrews N4 Grind Cam delivers measurable performance gains for naturally aspirated engines running stock hydraulic lifter configurations. This cam extends your RPM capability to 6500 while maintaining compatibility with OEM pushrods and lifters—no...DS199076- SKU:
- DS199076
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- GRIND:
- N4
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 24°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.189'
- EXHAUST LIFT IMPERIAL:
- 0.490'
- EXHAUST OPEN IMPERIAL:
- 52°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.216'
- TYPE:
- CHAIN
- INTAKE CLOSE IMPERIAL:
- 46°
- INTAKE DURATION IMPERIAL:
- 256°
- UNITS:
- 4 PACK
- EXHAUST DURATION IMPERIAL:
- 256°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- INTAKE LIFT IMPERIAL:
- 0.490'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- INTAKE OPEN IMPERIAL:
- 30°
$504.95Qty in Cart: 0Quantity:Price:$504.95Subtotal: -
ANDREWS N6 Cam - XL 298170
ANDREWS
$504.95The Andrews N6 cam is purpose-built for modified 1200cc engines and high-compression builds that demand reliable, predictable power delivery across the mid-range and top-end. If you're running upgraded pistons or a stroked displacement without breaking...DS199077- SKU:
- DS199077
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- EXHAUST CLOSE IMPERIAL:
- 28°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- GRIND:
- N6
- INTAKE OPEN IMPERIAL:
- 34°
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- INTAKE DURATION IMPERIAL:
- 264°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.241'
- INTAKE LIFT IMPERIAL:
- 0.500'
- TYPE:
- CHAIN
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 264°
- EXHAUST LIFT IMPERIAL:
- 0.500'
- EXHAUST OPEN IMPERIAL:
- 56°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- PRODUCT NAME:
- CAM KIT
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.212'
- INTAKE CLOSE IMPERIAL:
- 50°
- UNITS:
- 4 PACK
$504.95Qty in Cart: 0Quantity:Price:$504.95Subtotal: -
ANDREWS N8 Cam - XL 298190
ANDREWS
$504.95The ANDREWS N8 Cam delivers reliable, streetable performance without requiring a complete valvetrain overhaul. Stock hydraulic lifters and pushrods mean you can bolt this cam in and get responsive mid-range power gains while maintaining compatibility...DS199078- SKU:
- DS199078
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- EXHAUST CLOSE IMPERIAL:
- 28°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- APPLICATION:
- EXHAUST
- EXHAUST OPEN IMPERIAL:
- 56°
- INTAKE CLOSE IMPERIAL:
- 44°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.226'
- INTAKE OPEN IMPERIAL:
- 32°
- TYPE:
- CHAIN
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.212'
- INTAKE DURATION IMPERIAL:
- 256°
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 264°
- EXHAUST LIFT IMPERIAL:
- 0.500'
- GRIND:
- N8
- INTAKE LIFT IMPERIAL:
- 0.490'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 96°
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
$504.95Qty in Cart: 0Quantity:Price:$504.95Subtotal: -
ANDREWS EV23 Cam 291123
ANDREWS
$251.95If you're running a heavier touring bike or high-geared setup with a 65-tooth rear pulley, you need a cam that delivers reliable power without demanding expensive valve spring upgrades. The Andrews EV23 is a bolt-in solution engineered for real-world...DS199097- SKU:
- DS199097
- Availability:
- Ships Same Business Day
- Weight:
- 2.19 LBS
- EXHAUST OPEN IMPERIAL:
- 40°
- INTAKE LIFT IMPERIAL:
- 0.498'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 100°
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 8°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 106°
- GRIND:
- EV23
- INTAKE OPEN IMPERIAL:
- 10°
- PRODUCT NAME:
- CAM
- TYPE:
- CHAIN
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 228°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.121'
- EXHAUST LIFT IMPERIAL:
- 0.498'
- INTAKE CLOSE IMPERIAL:
- 30°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.134'
- INTAKE DURATION IMPERIAL:
- 220°
- UNITS:
- EACH
$251.95Qty in Cart: 0Quantity:Price:$251.95Subtotal: -
ANDREWS V8 Cam - XL 298180
ANDREWS
$504.95The Andrews V8 Cam XL 298180 delivers increased valve lift and duration for measurable power gains without requiring a complete valve train overhaul. Built for stock hydraulic lifter systems, this cam maximizes performance while maintaining compatibility...DS199111- SKU:
- DS199111
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.212'
- EXHAUST OPEN IMPERIAL:
- 56°
- INTAKE DURATION IMPERIAL:
- 256°
- INTAKE LIFT IMPERIAL:
- 0.490'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 96°
- PRODUCT NAME:
- CAM KIT
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 264°
- EXHAUST LIFT IMPERIAL:
- 0.500'
- EXHAUST CLOSE IMPERIAL:
- 28°
- INTAKE OPEN IMPERIAL:
- 32°
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- GRIND:
- V8
- INTAKE CLOSE IMPERIAL:
- 44°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.226'
- TYPE:
- CHAIN
$504.95Qty in Cart: 0Quantity:Price:$504.95Subtotal: -
ANDREWS EV5 Grind Cam - Big Twin 291150
ANDREWS
$251.95The Andrews EV5 Grind Cam delivers the aggressive lift and duration your Big Twin needs to maximize power across the RPM band without sacrificing reliability. Engineered for hydraulic lifter engines, this cam holds its own against aftermarket competition...DS199443- SKU:
- DS199443
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- EXHAUST CLOSE IMPERIAL:
- 20°
- INTAKE CLOSE IMPERIAL:
- 44°
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 252°
- EXHAUST LIFT IMPERIAL:
- 0.530'
- EXHAUST OPEN IMPERIAL:
- 52°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.240'
- INTAKE LIFT IMPERIAL:
- 0.530'
- INTAKE OPEN IMPERIAL:
- 28°
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- APPLICATION:
- EXHAUST
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.190'
- GRIND:
- EV5
- INTAKE DURATION IMPERIAL:
- 252°
$251.95Qty in Cart: 0Quantity:Price:$251.95Subtotal: -
ANDREWS EV7 Cam - Big Twin 291170
ANDREWS
$251.95If you're running a big-inch stroker with head work, the ANDREWS EV7 Cam delivers the mid-range power and reliability you need without requiring expensive spring upgrades or extensive machine work. This hydraulic lifter cam maintains boost all the way to...DS199445- SKU:
- DS199445
- Availability:
- Ships Same Business Day
- Weight:
- 2.13 LBS
- APPLICATION:
- EXHAUST
- EXHAUST CLOSE IMPERIAL:
- 27°
- EXHAUST DURATION IMPERIAL:
- 266°
- EXHAUST OPEN IMPERIAL:
- 59°
- INTAKE DURATION IMPERIAL:
- 266°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.249'
- UNITS:
- EACH
- GRIND:
- EV7
- INTAKE CLOSE IMPERIAL:
- 55°
- EXHAUST LIFT IMPERIAL:
- 0.560'
- INTAKE LIFT IMPERIAL:
- 0.560'
- INTAKE OPEN IMPERIAL:
- 31°
- PRODUCT NAME:
- CAM
- APPLICATION:
- INTAKE
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.223'
- RIDING STYLE:
- STREET
$251.95 -
ANDREWS EV38 Grind Cam - Big Twin 291138
ANDREWS
$251.95If you're running a Big Twin and want reliable RPM capability without the headaches of valve float or expensive spring upgrades, the Andrews EV38 Grind Cam delivers the performance you need with stock components. This hydraulic lifter cam is engineered...DS199446- SKU:
- DS199446
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 252°
- EXHAUST LIFT IMPERIAL:
- 0.500'
- EXHAUST OPEN IMPERIAL:
- 52°
- GRIND:
- EV38
- INTAKE CLOSE IMPERIAL:
- 37°
- INTAKE LIFT IMPERIAL:
- 0.495'
- TYPE:
- GEAR
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.182'
- INTAKE OPEN IMPERIAL:
- 21°
- EXHAUST CLOSE IMPERIAL:
- 20°
- INTAKE DURATION IMPERIAL:
- 238°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.190'
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
$251.95 -
ANDREWS EV51 Cam - Big Twin 291151
ANDREWS
$251.95If you're running a modified Big Twin and want reliable power across the entire street-riding range without sacrificing reliability, the Andrews EV51 delivers consistent performance from 3000 rpm all the way to 6500 rpm. This hydraulic lifter cam handles...DS199447- SKU:
- DS199447
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.510'
- EXHAUST CLOSE IMPERIAL:
- 22°
- EXHAUST DURATION IMPERIAL:
- 256°
- INTAKE LIFT IMPERIAL:
- 0.510'
- INTAKE OPEN IMPERIAL:
- 28°
- RIDING STYLE:
- STREET
- INTAKE DURATION IMPERIAL:
- 252°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.233'
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 106°
- GRIND:
- EV51
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.195'
- EXHAUST OPEN IMPERIAL:
- 54°
- INTAKE CLOSE IMPERIAL:
- 44°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- TYPE:
- CHAIN
$251.95 -
ANDREWS High-Lift Valve Springs 272110
ANDREWS
$67.95If you're running a performance cam in your big-twin, you need valve springs engineered to handle the increased lift and valve velocity. The ANDREWS 272110 High-Lift Valve Springs deliver the precise spring force required to keep your valvetrain stable...DS199736- SKU:
- DS199736
- Availability:
- Ships Same Business Day
- Weight:
- 2.13 LBS
- PRODUCT NAME:
- SPRING
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
$67.95 -
ANDREWS Medium-Lift Upper Spring Collar Set 276150
ANDREWS
$74.95If you're running a stock 74" or 80" big twin and want to unlock higher-lift cam profiles without tearing down your entire top end, the ANDREWS Medium-Lift Upper Spring Collar Set is your straightforward solution. This set adds approximately .060" of...DS199737- SKU:
- DS199737
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- UPPER SPRING COLLAR
- RIDING STYLE:
- STREET
- STYLE:
- MEDIUM-LIFT
- UNITS:
- 4 PACK
$74.95 -
ANDREWS Valve Spring Collars 273120
ANDREWS
$51.95If you're upgrading to a higher-lift camshaft on your big twin, stock valve spring collars will fight you every step of the way. ANDREWS Valve Spring Collars deliver the lower profile design you need for hassle-free installation while maintaining the...DS199738- SKU:
- DS199738
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- COLLAR
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- MATERIAL:
- STEEL
- STYLE:
- LOW-PROFILE
- TYPE:
- LOWER SPRING COLLAR
$51.95 -
ANDREWS High-Lift Springs 294150
ANDREWS
$65.95If you're pushing your engine's limits with aggressive cam profiles, your factory springs simply won't cut it. The ANDREWS High-Lift Springs 294150 are engineered to handle demanding valve lift specifications without compromising reliability or requiring...DS199739- SKU:
- DS199739
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
$65.95 -
ANDREWS Adjustable Pushrods - M8 292017
ANDREWS
$300.95Stock pushrods are a common bottleneck for Evolution engine performance tuning—they lack the adjustability needed to dial in proper valve clearances as you modify your engine's internals. The ANDREWS Adjustable Pushrods (M8 292017) eliminate guesswork by...09280095- SKU:
- 09280095
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- RIDING STYLE:
- STREET
- STYLE:
- ADJUSTABLE
- MATERIAL:
- CHROME MOLY
- UNITS:
- 4 PACK
- PRODUCT NAME:
- PUSHROD
$300.95
