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
-
KIBBLEWHITE Exhaust Valve 20-21062K
KIBBLEWHITE
$41.29Exhaust valves are the frontline defense against extreme heat and combustion pressures in your engine—cheap valves fail, premium valves perform lap after lap. KIBBLEWHITE's White Diamond™ valves are engineered from one-piece EV8 stainless steel forgings...09263345- SKU:
- 09263345
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- STAINLESS STEEL
- SIZE METRIC:
- OVERSIZE (+1.00 MM)
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- HEAD DIAMETER IMPERIAL:
- 1.299'
- MODEL:
- WHITE DIAMOND™
- LENGTH IMPERIAL:
- 4.055'
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.2342'
$41.29 -
KIBBLEWHITE Spring Kit 20-23500
KIBBLEWHITE
$226.58If you're running a boosted or turbocharged engine with a high-performance cam, stock valve springs will fail you. The KIBBLEWHITE Spring Kit 20-23500 is engineered to maintain precise valvetrain control at elevated RPMs where factory components simply...09263347- SKU:
- 09263347
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- SPRING OPEN PRESSURE:
- 440 LB
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- SPRING LIFT:
- 0,650'
- SPRING LIFT IMPERIAL:
- 0.650'
- SPRING SEAT PRESSURE:
- 185 IB
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- KIT
$226.58 -
KIBBLEWHITE Valve Seat 10-HC541
KIBBLEWHITE
$14.47If you're running titanium valves in a high-performance engine, you need a valve seat that can handle extreme thermal stress without premature wear. KIBBLEWHITE's copper-based HC541 seats deliver the thermal conductivity and durability that serious...09263365- SKU:
- 09263365
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- STREET
- INSIDE DIAMETER IMPERIAL:
- 1.800'
- OUTSIDE DIAMETER IMPERIAL:
- 2.132'
- PRODUCT NAME:
- VALVE SEAT
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- UNITS:
- EACH
$14.47 -
JOKER MACHINE Points Cover - Black/Chrome 02-99TC
JOKER MACHINE
$65.95The JOKER MACHINE Points Cover delivers a clean, finished look to your ignition system while protecting critical components from debris and moisture. This CNC-machined cover combines aesthetic appeal with functional durability, making it an essential...09400996- SKU:
- 09400996
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- TYPE:
- POINT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- STYLE:
- FINNED
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
$65.95 -
GARDNER-WESTCOTT Male Elbow - 1/4" x 1/8" - Chrome 7-91HB-4X2
GARDNER-WESTCOTT
$12.95Fluid system reliability depends on quality fittings, and this Gardner-Westcott elbow delivers the precision you need for consistent performance. Whether you're plumbing coolant lines, fuel systems, or pneumatic circuits, a properly sized elbow...DS245260- SKU:
- DS245260
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTION TYPE:
- 1/4' HOSE FITTING
- TYPE:
- HOSE
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
GARDNER-WESTCOTT 90 Fitting - 1/8" NPT 7-116PSE-2
GARDNER-WESTCOTT
$8.95Proper fitting selection is critical for reliable fluid and pneumatic system integrity, especially in high-performance racing applications where leaks directly impact both performance and safety. The Gardner-Westcott 90 Fitting with 1/8" NPT threading...DS245205- SKU:
- DS245205
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- CONNECTION TYPE:
- 1/8' NPT (MALE)
$8.95 -
KIBBLEWHITE Intake Valve Guide 20-2120
KIBBLEWHITE
$31.71If you're rebuilding or upgrading your cylinder head, valve guides are non-negotiable for proper valve sealing, longevity, and port flow efficiency. The KIBBLEWHITE 20-2120 is precision-machined from C630 material and designed to handle modern fuels...09260318- SKU:
- 09260318
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- PRODUCT NAME:
- VALVE GUIDE
- MATERIAL:
- C630 BRONZE
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
- BASE COLOR:
- BROWN
- OUTSIDE DIAMETER IMPERIAL:
- 0.5620'
- UNITS:
- EACH
$31.71Qty in Cart: 0Quantity:Price:$31.71Subtotal: -
KIBBLEWHITE Intake Valve Guide 20-2121
KIBBLEWHITE
$31.71If you're building or rebuilding a high-performance engine, valve guide quality directly impacts flow efficiency, durability, and overall reliability. The KIBBLEWHITE 20-2121 intake valve guide is precision-machined from superior C630 material and...09260319- SKU:
- 09260319
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- BASE COLOR:
- BROWN
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5630'
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- UNITS:
- EACH
$31.71 -
KIBBLEWHITE Exhaust Valve Guide 20-2130
KIBBLEWHITE
$31.71If you're building or rebuilding a high-performance engine, valve guide quality directly impacts flow efficiency, longevity, and reliability under sustained RPM and heat cycles. The KIBBLEWHITE 20-2130 exhaust valve guide is precision-machined from C630...09260320- SKU:
- 09260320
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5620'
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- COLOR/FINISH:
- BRONZE
$31.71 -
KIBBLEWHITE Exhaust Valve Guide 20-2131
KIBBLEWHITE
$31.71If you're rebuilding a high-revving engine or restoring a classic with modern reliability in mind, quality valve guides are non-negotiable. The KIBBLEWHITE 20-2131 exhaust valve guide delivers precision engineering and durability that keeps your valve...09260321- SKU:
- 09260321
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- BASE COLOR:
- BROWN
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5630'
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRONZE
- UNITS:
- EACH
$31.71 -
KIBBLEWHITE Cast Iron Valve Seat - Intake - Evolution 10-SC510
KIBBLEWHITE
$12.62Valve seat integrity is critical to combustion efficiency and engine longevity. The KIBBLEWHITE Cast Iron Valve Seat delivers superior machinability and thermal conductivity, allowing you to maintain precise valve sealing across all fuel blends and...09260323- SKU:
- 09260323
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- APPLICATION:
- INTAKE
- INSIDE DIAMETER IMPERIAL:
- 1.562'
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE SEAT
- RIDING STYLE:
- STREET
- VALVE SEAT HEIGHT IMPERIAL:
- 0.450'
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 2.007'
$12.62 -
KIBBLEWHITE Cast Iron Valve Seat - Intake - Evolution 10-SC541
KIBBLEWHITE
$13.18A quality intake valve seat is fundamental to reliable engine performance, and the KIBBLEWHITE cast iron design delivers superior thermal management and wear resistance across extended racing seasons. Whether you're running ethanol blends, methanol, or...09260324- SKU:
- 09260324
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- VALVE SEAT HEIGHT IMPERIAL:
- 0.450'
- INSIDE DIAMETER IMPERIAL:
- 1.690'
- PRODUCT NAME:
- VALVE SEAT
- RIDING STYLE:
- STREET
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 2.1320'
$13.18 -
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
$73.95 -
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
$851.95 -
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
$89.95 -
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
