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 Intake Valve Guide 20-21020
KIBBLEWHITE
$26.89Worn or damaged valve guides compromise cylinder head integrity and flow efficiency, directly impacting combustion quality and engine performance. The KIBBLEWHITE 20-21020 is precision-engineered to restore OEM specifications while accommodating modern...09262955- SKU:
- 09262955
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BROWN
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.2347'
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
- OUTSIDE DIAMETER IMPERIAL:
- 0.4750'
$26.89 -
KIBBLEWHITE Valve Kit - Evolution/1200 20-22800
KIBBLEWHITE
$117.85Valve wear is one of the fastest paths to engine degradation, especially in high-demand Evolution and 1200cc applications. The KIBBLEWHITE Black Diamond™ valve kit delivers precision-engineered stainless steel valves with a proprietary impregnation...09263213- SKU:
- 09263213
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$117.85 -
KIBBLEWHITE Complete Valve Kit - Evolution/1200 20-22850
KIBBLEWHITE
$251.29A complete valve kit is essential for any Evolution or 1200cc engine rebuild—it ensures you're not mixing worn, mismatched components that compromise compression and reliability. KIBBLEWHITE's Black Diamond™ stainless steel valves are engineered with...09263214- SKU:
- 09263214
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- SPRING SEAT PRESSURE:
- 163 LB
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- ENGINE KIT
- SPRING OPEN PRESSURE:
- 361 LB
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,600'
- MODEL:
- BLACK DIAMOND™
- SPRING LIFT IMPERIAL:
- 0.600'
$251.29 -
KIBBLEWHITE Complete Valve Kit - Evolution/1200 20-22950
KIBBLEWHITE
$315.46A complete valve refresh is essential for maintaining peak combustion efficiency and engine longevity, especially in Evolution and 1200cc engines that demand precision tolerances. This KIBBLEWHITE kit eliminates the guesswork by delivering matched,...09263216- SKU:
- 09263216
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- SPRING SEAT PRESSURE:
- 175 LB
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.610'
- SPRING LIFT:
- 0,610'
- SPRING OPEN PRESSURE:
- 400 LB
- UNITS:
- KIT
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$315.46 -
KIBBLEWHITE BUSHINGS ROCKER ARM 20-2106
KIBBLEWHITE
$33.85Rocker arm bushings are a critical wear point in any high-revving engine—inadequate bushing material leads to excessive clearance, valve timing drift, and accelerated component degradation. Kibblewhite's SAE660 bearing bronze bushings eliminate these...09270024- SKU:
- 09270024
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- 8 PACK
- MATERIAL:
- C932 BRONZE
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER ARM
$33.85 -
KIBBLEWHITE Intake Valve 20-21060H
KIBBLEWHITE
$32.78Intake valve performance directly impacts your engine's breathing efficiency and combustion reliability—especially under high RPM conditions where precision matters most. Kibblewhite's White Diamond™ valves are engineered from premium EV8 stainless steel...09263343- SKU:
- 09263343
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- STAINLESS STEEL
- SIZE METRIC:
- OVERSIZE (+1.00 MM)
- UNITS:
- EACH
- HEAD DIAMETER IMPERIAL:
- 1.614'
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.2347'
- LENGTH IMPERIAL:
- 4.035'
- MODEL:
- WHITE DIAMOND™
- TULIP ANGLE:
- 15°
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
$32.78 -
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 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 20-2121
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 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 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
