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 N Grind Camshaft - Big Twin 212965
ANDREWS
$256.95If you're restoring a classic Big Twin or maintaining stock engine specs, the Andrews N Grind Camshaft delivers the reliable, predictable performance your original motor demands. This purpose-built replacement cam keeps your engine in factory parameters...09250584- SKU:
- 09250584
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.105'
- INTAKE DURATION IMPERIAL:
- 234°
- RIDING STYLE:
- STREET
- EXHAUST CLOSE IMPERIAL:
- 16°
- GRIND:
- N
- INTAKE CLOSE IMPERIAL:
- 44°
- EXHAUST DURATION IMPERIAL:
- 240°
- EXHAUST OPEN IMPERIAL:
- 47°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.089'
- INTAKE LIFT IMPERIAL:
- 0.348'
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.348'
- INTAKE OPEN IMPERIAL:
- 13°
- PRODUCT NAME:
- CAM
$256.95 -
ANDREWS Camshaft - S Grind - Big Twin 212970
ANDREWS
$265.95If you're running a Big Twin Knuckle and want a proven performance bump without gutting your engine, the ANDREWS S Grind Camshaft delivers exactly what you need. This bolt-in cam offers a smooth, controllable idle paired with strong mid-range pull—ideal...09250585- SKU:
- 09250585
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- EXHAUST DURATION IMPERIAL:
- 262°
- EXHAUST LIFT IMPERIAL:
- 0.370'
- INTAKE CLOSE IMPERIAL:
- 55°
- INTAKE DURATION IMPERIAL:
- 262°
- RIDING STYLE:
- STREET
- GRIND:
- S
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 27°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.130'
- EXHAUST OPEN IMPERIAL:
- 55°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.130'
- INTAKE OPEN IMPERIAL:
- 27°
- APPLICATION:
- EXHAUST
- INTAKE LIFT IMPERIAL:
- 0.370'
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
$265.95 -
ANDREWS Cam Set - Big Twin 214380
ANDREWS
$970.95When rebuilding your Big Twin, worn or pitted cams will compromise your engine's reliability and performance from day one. The ANDREWS 214380 Cam Set delivers stock-profile familiarity with modern computer-optimized lobe design, giving you a dependable...09251136- SKU:
- 09251136
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- INTAKE LIFT IMPERIAL:
- 0.3750'
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- APPLICATION:
- EXHAUST
- EXHAUST LIFT IMPERIAL:
- 0.3750'
$970.95 -
ANDREWS Low-Profile Lower Spring Collars - XL 277160
ANDREWS
$37.95Similar to the late H-D collars, Will provide .060" more spring travel than stock collars, Made in the U.S.A.DS199727- SKU:
- DS199727
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- LOWER SPRING COLLAR
- STYLE:
- LOW-PROFILE
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
$37.95 -
ANDREWS Grind Cam 212430
ANDREWS
$251.95These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve float, Made in the U.S.A.DS199298- SKU:
- DS199298
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- APPLICATION:
- EXHAUST
- EXHAUST CLOSE IMPERIAL:
- 24°
- EXHAUST LIFT AT TDC IMPERIAL:
- SHOVEL: 0.156' PAN: 0.164'
- EXHAUST LIFT IMPERIAL:
- SHOVEL: 0.450' PAN: 0.470'
- EXHAUST OPEN IMPERIAL:
- 52°
- GRIND:
- BH
- INTAKE OPEN IMPERIAL:
- 24°
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
- INTAKE CLOSE IMPERIAL:
- 52°
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 256°
- INTAKE LIFT AT TDC IMPERIAL:
- SHOVEL: 0.156' PAN: 0.164'
- TYPE:
- GEAR
- INTAKE DURATION IMPERIAL:
- 256°
- INTAKE LIFT IMPERIAL:
- SHOVEL: 0.450' PAN: 0.470'
$251.95 -
ANDREWS EV27 Cam - Evolution 291127
ANDREWS
$251.95These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve float, Bolt-in street cam with fast open and close ramps, Uses stock springs; works with carbs or fuel injection, Pulls from 1500 to 6000 rpm, Similar timing to EV3,...DS199344- SKU:
- DS199344
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- APPLICATION:
- EXHAUST
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 106°
- EXHAUST OPEN IMPERIAL:
- 46°
- UNITS:
- EACH
- INTAKE CLOSE IMPERIAL:
- 36°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.182'
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.495'
- INTAKE DURATION IMPERIAL:
- 236°
- INTAKE LIFT IMPERIAL:
- 0.495'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- TYPE:
- GEAR
- EXHAUST CLOSE IMPERIAL:
- 14°
- EXHAUST DURATION IMPERIAL:
- 240°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.166'
- GRIND:
- EV27
- INTAKE OPEN IMPERIAL:
- 20°
- PRODUCT NAME:
- CAM
$251.95Qty in Cart: 0Quantity:Price:$251.95Subtotal: -
ALLOY ART Front Engine Mount - Black - FXR NGMP-2
ALLOY ART
$179.95Stock engine mounts compromise both durability and weight distribution, allowing excessive engine movement that degrades handling precision and accelerates drivetrain wear. The ALLOY ART Front Engine Mount eliminates this weakness with CNC-machined...09330138- SKU:
- 09330138
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- ANODIZED
- MOUNTING POSITION:
- FRONT
- UNITS:
- EACH
- PRODUCT NAME:
- MOUNT
$179.95 -
ALLOY ART Front Engine Mount - Machined - FXR MGMP-1
ALLOY ART
$169.95Engine mounts are the often-overlooked foundation of drivetrain stability—factory units absorb vibration but sacrifice responsiveness and longevity under sustained performance demands. The ALLOY ART Front Engine Mount replaces that compromise with a...09330137- SKU:
- 09330137
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- BASE FINISH:
- NATURAL
- PRODUCT NAME:
- MOUNT
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- FRONT
- TYPE:
- ENGINE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$169.95 -
DRAG SPECIALTIES Oil Pump Cover - 80" 302045-BC3
DRAG SPECIALTIES
$41.15A clean engine bay starts with finished details, and the DRAG SPECIALTIES Oil Pump Cover transforms a functional component into a polished accent that protects your pump from debris and harsh conditions. This bolt-on cover integrates seamlessly with your...DS376504- SKU:
- DS376504
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE FINISH:
- CHROME
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- TYPE:
- OIL PUMP
- UNITS:
- EACH
$41.15 -
FEULING OIL PUMP CORP. Camshaft Installation Kit - Twin Cam 2071
FEULING OIL PUMP CORP.
$129.95A proper camshaft installation requires precision fasteners, quality bearings, and the right gasket materials—this kit eliminates guesswork by bundling everything you need in one package. Whether you're running a stock refresh or installing a high-lift...09250537- SKU:
- 09250537
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- UNITS:
- KIT
- MODEL:
- PLUS
- PRODUCT NAME:
- INSTALLATION KIT
- RIDING STYLE:
- STREET
- TYPE:
- CAMSHAFT
- TYPE:
- CHAIN
$129.95 -
FEULING OIL PUMP CORP. Camshaft Installation Kit - Chain Conversion 2063
FEULING OIL PUMP CORP.
$92.95A complete camshaft installation demands precision tooling and OEM-quality fasteners—this kit eliminates the frustration of sourcing components individually and ensures your build meets critical tolerances. Whether you're converting to chain drive or...09250627- SKU:
- 09250627
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- UNITS:
- KIT
- MODEL:
- STANDARD
- PRODUCT NAME:
- INSTALLATION KIT
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
$92.95 -
FEULING OIL PUMP CORP. Gear Drive Reaper Cam - 574 Series 1007
FEULING OIL PUMP CORP.
$399.95The Feuling Oil Pump Corp. Gear Drive Reaper Cam delivers a responsive power band engineered for modified engines while maintaining exceptional reliability as a bolt-in upgrade for stock 96", 103", and 110" displacement platforms. Its smooth lobe design...09250428- SKU:
- 09250428
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 255°
- INTAKE OPEN IMPERIAL:
- 15°
- TYPE:
- GEAR
- EXHAUST LIFT IMPERIAL:
- 0.574'
- INTAKE DURATION IMPERIAL:
- 240°
- INTAKE LIFT IMPERIAL:
- 0.574'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- APPLICATION:
- EXHAUST
- INTAKE CLOSE IMPERIAL:
- 45°
- PRODUCT NAME:
- CAMSHAFT
- EXHAUST CLOSE IMPERIAL:
- 14°
- EXHAUST OPEN IMPERIAL:
- 61°
- GRIND:
- 574 SERIES
- MODEL:
- REAPER
$399.95 -
FEULING OIL PUMP CORP. Gear Drive Reaper Cam - 574 Series 1008
FEULING OIL PUMP CORP.
$399.95The Feuling Oil Pump Corp. Gear Drive Reaper Cam 574 Series delivers a usable power band specifically engineered for modified Harley-Davidson engines, making it the ideal choice if you've invested in upgraded heads, compression, and intake/exhaust...09250429- SKU:
- 09250429
- Availability:
- Ships Same Business Day
- Weight:
- 3.07 LBS
- EXHAUST DURATION IMPERIAL:
- 255°
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- EXHAUST
- INTAKE CLOSE IMPERIAL:
- 45°
- INTAKE OPEN IMPERIAL:
- 15°
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.574'
- INTAKE DURATION IMPERIAL:
- 240°
- INTAKE LIFT IMPERIAL:
- 0.574'
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- UNITS:
- PAIR
- EXHAUST CLOSE IMPERIAL:
- 14°
- EXHAUST OPEN IMPERIAL:
- 61°
- GRIND:
- 574 SERIES
- MODEL:
- REAPER
$399.95 -
FEULING OIL PUMP CORP. Chain Drive Reaper Cam - 574 Series 1009
FEULING OIL PUMP CORP.
$399.95The Feuling 574 Series Chain Drive Reaper Cam delivers a commanding power band for modified engines while maintaining the smooth, reliable operation you need for stock displacement builds. Its sophisticated cam-lobe geometry eliminates the valve chatter...09250430- SKU:
- 09250430
- Availability:
- Ships Same Business Day
- Weight:
- 3.21 LBS
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 255°
- APPLICATION:
- EXHAUST
- INTAKE CLOSE IMPERIAL:
- 45°
- INTAKE OPEN IMPERIAL:
- 15°
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- CHAIN
- EXHAUST LIFT IMPERIAL:
- 0.574'
- INTAKE DURATION IMPERIAL:
- 240°
- INTAKE LIFT IMPERIAL:
- 0.574'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- EXHAUST CLOSE IMPERIAL:
- 14°
- EXHAUST OPEN IMPERIAL:
- 61°
- GRIND:
- 574 SERIES
- MODEL:
- REAPER
$399.95 -
FEULING OIL PUMP CORP. Valve Seals 1077
FEULING OIL PUMP CORP.
$15.95Valve seal degradation is one of the most common causes of oil consumption and performance loss in high-revving engines. The Feuling Oil Pump Corp. Valve Seals 1077 use premium Viton® material and spring-loaded wipers to maintain a reliable seal under...09261168- SKU:
- 09261168
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SEAL
- SIZE IMPERIAL:
- 0.530'
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
$15.95 -
FEULING OIL PUMP CORP. Valve Seals 1078
FEULING OIL PUMP CORP.
$15.95Valve seal degradation leads to oil consumption, smoking, and performance loss—especially under sustained high RPM operation. Feuling's Viton® valve seals are engineered to maintain a reliable barrier between your valve stems and guide bores, even in...09261169- SKU:
- 09261169
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- APPLICATION:
- INTAKE
- SIZE IMPERIAL:
- 0.500'
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- UNITS:
- 4 PACK
$15.95 -
FEULING OIL PUMP CORP. Valve Locks 1206
FEULING OIL PUMP CORP.
$29.95High-RPM engine builds demand precision valve control, and improper retainer height can cause float and catastrophic valve failure. These offset titanium valve locks solve that problem by raising your retainer .050" to optimize installed height and...09261170- SKU:
- 09261170
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- LOCK
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- UNITS:
- SET OF 8
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- STEM DIAMETER IMPERIAL:
- 0.3125'
$29.95 -
FEULING OIL PUMP CORP. Valve Locks 1213
FEULING OIL PUMP CORP.
$29.95If you're running a high-lift cam or pushing aggressive valve spring pressures, stock valve locks will cost you reliability. The FEULING OIL PUMP CORP. Valve Locks 1213 solve this problem by raising your retainer geometry, giving you the clearance needed...09261171- SKU:
- 09261171
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- LOCK
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- STEM DIAMETER METRIC:
- 7.00 MM
- TYPE:
- VALVE
- UNITS:
- SET OF 8
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
$29.95 -
FEULING OIL PUMP CORP. Valve Springs - Econo Beehive - Twin Cam 1121
FEULING OIL PUMP CORP.
$229.95Valve spring performance directly impacts engine reliability and rev capability—cheap springs fail under load, while properly engineered springs like Feuling's Econo Beehive deliver consistent lift curve control and extended fatigue life. This complete...09261468- SKU:
- 09261468
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- STYLE:
- OVATE WIRE BEEHIVE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3125'
- MATERIAL:
- STEEL
- APPLICATION:
- EXHAUST
- MODEL:
- ECONO BEEHIVE
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT:
- 0,585'
- SPRING LIFT IMPERIAL:
- 0.585'
- TYPE:
- VALVE
$229.95 -
FEULING OIL PUMP CORP. Valve Springs - High-Load 1201
FEULING OIL PUMP CORP.
$379.95High-load valve springs are critical to maintaining valve control under extreme RPM and boost conditions—without them, you risk valve float, bent pushrods, and catastrophic engine failure. The Feuling Oil Pump Corp. 1201 springs deliver the precise seat...09261469- SKU:
- 09261469
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MODEL:
- HIGH-LOAD BEEHIVE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MATERIAL:
- STEEL
- SPRING LIFT IMPERIAL:
- 0.750'
- APPLICATION:
- INTAKE
- COLLAR MATERIAL:
- TITANIUM
- SPRING LIFT:
- 0,750'
- STEM DIAMETER IMPERIAL:
- 0.3125'
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
$379.95
