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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DRAG SPECIALTIES Piston - Twin Cam 21930-99-005
DRAG SPECIALTIES
$153.42Twin Cam engines demand pistons engineered for high-RPM reliability and consistent performance across extended race sessions. The DRAG Specialties piston delivers the precision fit and material quality necessary to maintain ring seal integrity under...09110042- SKU:
- 09110042
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
- BORE - OVERSIZE:
- +0,005'
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.750'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.005'
$153.42 -
DRAG SPECIALTIES Pushrod Tube Kit - Big Twin 74951
DRAG SPECIALTIES
$133.85Pushrod tubes are critical to maintaining proper valve train geometry and oil delivery in Big Twin engines—wear or damage here directly impacts cylinder head performance and engine longevity. This complete kit from Drag Specialties gives you everything...DS193764- SKU:
- DS193764
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- PRODUCT NAME:
- TUBE KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- BASE FINISH:
- CHROME
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- TYPE:
- PUSHROD
$133.85Qty in Cart: 0Quantity:Price:$133.85Subtotal: -
DRAG SPECIALTIES Pushrod Tube Assembly - XL 72629
DRAG SPECIALTIES
$33.94Pushrod tube assemblies are critical to maintaining proper valve train geometry and preventing catastrophic engine failure. OEM-spec replacement tubes ensure your XL engine breathes correctly and maintains consistent performance across the entire RPM...DS193787- SKU:
- DS193787
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- TUBE ASSEMBLY
- TYPE:
- PUSHROD
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$33.94 -
DRAG SPECIALTIES Pushrod Tube Assembly - Panhead 72703
DRAG SPECIALTIES
$36.00Panhead engines demand precision-engineered pushrods that can withstand high RPM cycles and extreme combustion pressures—substandard replacements will compromise valve timing and engine reliability. The DRAG SPECIALTIES Pushrod Tube Assembly restores...DS193788- SKU:
- DS193788
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- BASE FINISH:
- CHROME
- TYPE:
- PUSHROD
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- TUBE ASSEMBLY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$36.00 -
CUSTOM CYCLE ENGINEERING Rocker Covers - Natural FRC 2003-3
CUSTOM CYCLE ENGINEERING
$457.95Stock Panhead rocker box covers are notorious for weeping oil around their 12-bolt design—a persistent problem that plagues riders and stains garage floors. The CUSTOM CYCLE ENGINEERING Rocker Covers eliminate that frustration with a precision-engineered...09400558- SKU:
- 09400558
- Availability:
- Ships Same Business Day
- Weight:
- 6.31 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
- UNITS:
- PAIR
- STYLE:
- FINNED
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- 356 T-6 ALUMINUM
- PRODUCT NAME:
- COVER
$457.95 -
CUSTOM CYCLE ENGINEERING Rocker Cover - Finned - Polished - EVO CCE5833
CUSTOM CYCLE ENGINEERING
$475.95If you're running a high-performance EVO motor, your rocker covers need to do more than look good—they need to breathe, seal reliably, and clear aggressive cam profiles without compromise. The Custom Cycle Engineering finned rocker cover delivers all...09400983- SKU:
- 09400983
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
- BASE FINISH:
- POLISHED
- TYPE:
- ROCKER BOX
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$475.95 -
CUSTOM CYCLE ENGINEERING Top Stabilizer Link - FXD TSL 2014-2
CUSTOM CYCLE ENGINEERING
$391.95Stock motor mounts transmit excessive vibration throughout your FXD chassis, compromising both ride quality and drivetrain longevity. The CUSTOM CYCLE ENGINEERING Top Stabilizer Link replaces the rigid metal-to-metal connection with an adjustable...09330136- SKU:
- 09330136
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- PRODUCT NAME:
- STABILIZER
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- TOP
- TYPE:
- ENGINE
$391.95 -
CUSTOM CYCLE ENGINEERING Rocker Covers - Polished FRC 2003-2
CUSTOM CYCLE ENGINEERING
$584.95Stock Panhead rocker box covers are notorious for oil seepage that compromises engine cleanliness and requires constant maintenance. The CUSTOM CYCLE ENGINEERING Rocker Covers eliminate this problem with a precision 12-bolt design that creates a true...09400557- SKU:
- 09400557
- Availability:
- Ships Same Business Day
- Weight:
- 6.25 LBS
- UNITS:
- PAIR
- COLOR/FINISH:
- POLISHED
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- STYLE:
- FINNED
- MATERIAL:
- 356 T-6 ALUMINUM
- TYPE:
- ROCKER BOX
$584.95 -
CIRO Front Stabilizer Link Cover 73051
CIRO
$33.99Fix the eyesore of the engine stabilizer with this smooth black cover that will make it melt right into your bike., Quick and easy installation, Black powder coated aluminum, Looks great with Ciro engine covers and bolt caps09401772- SKU:
- 09401772
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- TYPE:
- STABILIZER LINK
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
$33.99 -
ANDREWS Cam - M462 - M8 217462
ANDREWS
$268.95ANDREWS Cam - M462 - M809251205- SKU:
- 09251205
- Availability:
- Ships Same Business Day
- Weight:
- 1.86 LBS
- INTAKE DURATION IMPERIAL:
- 200°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 94°
- EXHAUST CLOSE IMPERIAL:
- 00°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.080'
- EXHAUST LIFT IMPERIAL:
- 0.460'
- EXHAUST OPEN IMPERIAL:
- 40°
- INTAKE LIFT IMPERIAL:
- 0.460'
- RIDING STYLE:
- STREET
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 110°
- MODEL:
- M462
- EXHAUST DURATION IMPERIAL:
- 220°
- INTAKE CLOSE IMPERIAL:
- 14°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.106'
- INTAKE OPEN IMPERIAL:
- 6°
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
$268.95 -
ANDREWS Cam - M464 - M8 217464
ANDREWS
$268.95ANDREWS Cam - M464 - M809251206- SKU:
- 09251206
- Availability:
- Ships Same Business Day
- Weight:
- 1.86 LBS
- EXHAUST OPEN IMPERIAL:
- 50°
- EXHAUST DURATION IMPERIAL:
- 230°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 115°
- INTAKE DURATION IMPERIAL:
- 210°
- EXHAUST CLOSE IMPERIAL:
- 00°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.080'
- EXHAUST LIFT IMPERIAL:
- 0.460'
- INTAKE CLOSE IMPERIAL:
- 24°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 099°
- RIDING STYLE:
- STREET
- INTAKE LIFT AT TDC IMPERIAL:
- 0.106'
- INTAKE LIFT IMPERIAL:
- 0.464'
- INTAKE OPEN IMPERIAL:
- 6°
- MODEL:
- M464
- PRODUCT NAME:
- CAMSHAFT KIT
- UNITS:
- KIT
$268.95 -
ANDREWS Cam - TS550 Indian 111 - 2013+ 269150
ANDREWS
$763.95With four valve heads and 106 cubic inches, more power is readily available09251272- SKU:
- 09251272
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- GRIND:
- TS550
$763.95 -
ANDREWS Cam - TS570 Indian 111 - 2013+ 269170
ANDREWS
$763.95With four valve heads and 106 cubic inches, more power is readily available09251273- SKU:
- 09251273
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
- PRODUCT NAME:
- CAMSHAFT
- GRIND:
- TS570
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$763.95 -
ANDREWS Cam - TW48 - 1999-2006 Twin Cam 288148
ANDREWS
$415.95Broad tip cams for baggers with stock motors; max torque at low and mid rpm ranges, Use stock springs09251274- SKU:
- 09251274
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- INTAKE LIFT AT TDC IMPERIAL:
- 0.153'
- INTAKE LIFT IMPERIAL:
- 0.548'
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN
- INTAKE DURATION IMPERIAL:
- 222°
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.163'
- EXHAUST LIFT IMPERIAL:
- 0.548'
- EXHAUST OPEN IMPERIAL:
- 43°
- INTAKE OPEN IMPERIAL:
- 13°
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 15°
- EXHAUST DURATION IMPERIAL:
- 238°
- GRIND:
- TW48
- INTAKE CLOSE IMPERIAL:
- 29°
$415.95Qty in Cart: 0Quantity:Price:$415.95Subtotal: -
ANDREWS TW57 Grind Cam - Twin Cam 288157
ANDREWS
$415.95Bolt-in broad tip cams; 96" , 103" Limited and 110" CVO engines, Cams work best at rpm range of 2200-560009251275- SKU:
- 09251275
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- APPLICATION:
- EXHAUST
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.153'
- UNITS:
- EACH
- EXHAUST LIFT IMPERIAL:
- 0.560'
- INTAKE LIFT IMPERIAL:
- 0.560'
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- GRIND:
- TW57
- INTAKE LIFT AT TDC IMPERIAL:
- 0.184'
- PRODUCT NAME:
- CAMSHAFT
$415.95 -
ANDREWS Cam - M520 - M8 217520
ANDREWS
$268.95Made in the U.S.A.09251365- SKU:
- 09251365
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 228°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.115'
- UNITS:
- EACH
- INTAKE OPEN IMPERIAL:
- 8°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.094'
- EXHAUST LIFT IMPERIAL:
- 0.520'
- EXHAUST OPEN IMPERIAL:
- 64°
- INTAKE LIFT IMPERIAL:
- 0.520'
- MODEL:
- M520
- RIDING STYLE:
- STREET
- EXHAUST CLOSE IMPERIAL:
- 4°
- EXHAUST DURATION IMPERIAL:
- 248°
- PRODUCT NAME:
- CAMSHAFT
$268.95 -
ANDREWS Performance Cam 269122
ANDREWS
$900.95ANDREWS Performance Cam09251366- SKU:
- 09251366
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$900.95 -
ALLOY ART Compression Release Adapter - 14 mm x 3/4" CRA-1
ALLOY ART
$20.95Designed to be used in twin plug heads, Fit into the additional spark plug hole, eliminating the dual plug function, Made in the U.S.A.09500080- SKU:
- 09500080
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- COMPRESSION RELEASE
- UNITS:
- EACH
- PRODUCT NAME:
- ADAPTER
- CONNECTOR ANGLE:
- STRAIGHT
- SIZE:
- 14 MM - 3/4'
- RIDING STYLE:
- STREET
$20.95 -
FEULING OIL PUMP CORP. Beehive Valve Spring Kit - M8 1107
FEULING OIL PUMP CORP.
$419.95Made from premium stress-relieved conical ovate wire, Feature extremely high-level of fatigue life, Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion, Designed to handle the demands of...09262973- SKU:
- 09262973
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- STREET
- STYLE:
- OVATE WIRE BEEHIVE
- MATERIAL:
- CHROME-SILICON
- MODEL:
- ENDURANCE BEEHIVE
- TYPE:
- VALVE
- UNITS:
- KIT
$419.95 -
FEULING OIL PUMP CORP. Beehive Valve Spring Kit - M8 1108
FEULING OIL PUMP CORP.
$609.95Made from premium stress-relieved conical ovate wire, Feature extremely high-level of fatigue life, Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion, Designed to handle the demands of...09262974- SKU:
- 09262974
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
- UNITS:
- KIT
- MATERIAL:
- TITANIUM
- STYLE:
- OVATE WIRE BEEHIVE
- MATERIAL:
- CHROME-SILICON
- PRODUCT NAME:
- SPRING
- TYPE:
- VALVE
- MODEL:
- ENDURANCE BEEHIVE
- RIDING STYLE:
- STREET
$609.95
