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
-
GARDNER-WESTCOTT 1/4" - 1/8" NPT Fitting - Chrome 7-90TD-4X2
GARDNER-WESTCOTT
$9.95Reliable fluid transfer is non-negotiable in high-performance applications, and this Gardner-Westcott fitting delivers the dependability you need without compromise. The 1/4" to 1/8" NPT reduction is precisely engineered for systems where port...DS245270- SKU:
- DS245270
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTION TYPE:
- 1/4' NPT (MALE)
- PRODUCT NAME:
- FITTING
- TYPE:
- HOSE
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- COLOR/FINISH:
- CHROME
- CONNECTOR ANGLE:
- STRAIGHT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$9.95 -
ANDREWS N6 Cam - XL 298165
ANDREWS
$504.95Cams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installed, Stock base circle sizes allow the use of stock pushrods, Made in the U.S.A., N6 designed for modified 1200s to 80" and/or high-compression pistons: stock springs and...DS199114- SKU:
- DS199114
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- EXHAUST CLOSE IMPERIAL:
- 28°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- GRIND:
- N6
- INTAKE OPEN IMPERIAL:
- 34°
- APPLICATION:
- EXHAUST
- EXHAUST OPEN IMPERIAL:
- 56°
- 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'
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.212'
- INTAKE CLOSE IMPERIAL:
- 50°
- INTAKE DURATION IMPERIAL:
- 264°
- UNITS:
- 4 PACK
$504.95 -
ANDREWS Cam Set 288126G
ANDREWS
$463.95Cams work well with fuel injection or carburetor models, Run best with low restriction exhausts (1700-5200 rpm), Works well with carbs or fuel injection, Bolt-in cam for more torque with stock compression, Can be used with stock valve springs and...DS199117- SKU:
- DS199117
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- EXHAUST OPEN IMPERIAL:
- 41°
- GRIND:
- 26 SERIES
- INTAKE OPEN IMPERIAL:
- 11°
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.490'
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 106°
- INTAKE DURATION IMPERIAL:
- 226°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.138'
- TYPE:
- GEAR
- EXHAUST CLOSE IMPERIAL:
- 9°
- EXHAUST DURATION IMPERIAL:
- 266°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.120'
- INTAKE CLOSE IMPERIAL:
- 35°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 102°
- UNITS:
- PAIR
- APPLICATION:
- EXHAUST
- INTAKE LIFT IMPERIAL:
- 0.490'
$463.95 -
ANDREWS Cam - M450 - M8 217450
ANDREWS
$268.95Bolt-in cam for stock compression 107" and 114" engines, For touring-style riding, Bolt-in cam for stock compression 107" and 114" engines, Also for 117" big bore kits with higher compression, Great low to mid RPM power (1700-5500 rpm), For more...09251165- SKU:
- 09251165
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.450'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- INTAKE LIFT IMPERIAL:
- 0.080'
- PRODUCT NAME:
- CAM
- TYPE:
- CHAIN
$268.95Qty in Cart: 0Quantity:Price:$268.95Subtotal: -
ANDREWS Cam - M504 - M8 217504
ANDREWS
$268.95If you're running a stock 107" or 114" engine and want genuine low-to-mid range power without sacrificing reliability, the ANDREWS M504 cam delivers the torque characteristics that make a real difference in touring and spirited street riding. This...09251167- SKU:
- 09251167
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- INTAKE DURATION IMPERIAL:
- 216°
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- EXHAUST OPEN IMPERIAL:
- 56°
- INTAKE CLOSE IMPERIAL:
- 30°
- INTAKE LIFT IMPERIAL:
- 0.105'
- INTAKE OPEN IMPERIAL:
- 6°
- TYPE:
- CHAIN
- EXHAUST CLOSE IMPERIAL:
- 0°
- EXHAUST DURATION IMPERIAL:
- 236°
- EXHAUST LIFT IMPERIAL:
- 0.504'
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
- APPLICATION:
- INTAKE
$268.95Qty in Cart: 0Quantity:Price:$268.95Subtotal: -
ANDREWS Cam Sprocket 216324
ANDREWS
$73.95Precision valve timing is foundational to engine performance, and the ANDREWS Cam Sprocket 216324 delivers the reliability your engine demands. Whether you're dialing in a high-revving build or maintaining stock geometry, this American-made sprocket...09251204- SKU:
- 09251204
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- TYPE:
- SPROCKET
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- STREET
$73.95Qty in Cart: 0Quantity:Price:$73.95Subtotal: -
ANDREWS Performance Cam 269420
ANDREWS
$851.95A high-performance cam is fundamental to unlocking your engine's full potential—it directly controls valve timing and lift, which determines how efficiently your engine breathes and converts fuel into power. The ANDREWS Performance Cam 269420 is...09251368- SKU:
- 09251368
- Availability:
- Ships Same Business Day
- Weight:
- 5.54 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
$851.95Qty in Cart: 0Quantity:Price:$851.95Subtotal: -
ANDREWS Valve Spring Collars - Big Twin 293115
ANDREWS
$89.95If you're pushing your Big Twin engine toward higher RPMs or running aggressive cam profiles, stock valve spring collars become your limiting factor—they flex under load and rob you of reliability. ANDREWS Valve Spring Collars deliver an extra .050" of...09261439- SKU:
- 09261439
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- PRODUCT NAME:
- SPRING COLLAR
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
ANDREWS Cam Drive Gear - Big Twin 212055
ANDREWS
$69.95The ANDREWS Cam Drive Gear is engineered for Big Twin engines that demand reliable valve train synchronization under sustained performance conditions. Heat-treated for exceptional durability, this U.S.-manufactured component eliminates the weak link in...09250579- SKU:
- 09250579
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- DRIVE GEAR
- DIAMETER IMPERIAL:
- 2.7354'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- CAMSHAFT
$69.95 -
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'
$970.95Qty in Cart: 0Quantity:Price:$970.95Subtotal: -
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
$251.95 -
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
$42.35A 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
$42.35 -
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
