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
$153.42Piston for Twin Cam motors09110042- 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
$133.85Kits include upper and lower tubes, clips, cups, springs and washers (O-rings/corks sold separately), One kit will do a complete engineDS193764- 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
$133.85 -
DRAG SPECIALTIES Pushrod Tube Assembly - XL 72629
DRAG SPECIALTIES
$33.94Original-style replacement for XL models; includes everything needed, Each motor requires four tube assemblies.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
$36.00Original-style replacement for Panhead models; includes everything needed, Each motor requires four tube assemblies.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
$457.95Original Randy Smith design, Made from 356 T-6 aluminum, Designed to eliminate the oil seepage associated with the stock Panhead rocker box covers (12-bolt design), Made in the U.S.A.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
$475.95Original Randy Smith design, Top covers only, Features a guaranteed fit and are compatible with the very latest breather system (early breathers too), Include adequate clearance for all factory frames, Domestic aircraft-grade billet aluminum alloy, Are...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
$391.95Reduces engine vibration and aligns power train, Adjustable rubber-isolated design, Greatly reduces vibration especially at high speeds, Replaces stock link which is metal-to-metal from top motor mount09330136- 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
$584.95Original Randy Smith design, Made from 356 T-6 aluminum, Designed to eliminate the oil seepage associated with the stock Panhead rocker box covers (12-bolt design), Made in the U.S.A.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°
$415.95 -
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
