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 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 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)
$8.95Qty in Cart: 0Quantity:Price:$8.95Subtotal: -
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 Low-Compression Cam - Shovelhead 212140
ANDREWS
$251.95If you're running a Shovelhead with stock or mildly modified compression ratios, the ANDREWS Low-Compression Cam delivers the torque curve you need without sacrificing usable power across the entire rpm range. Its shorter duration paired with higher lift...DS199282- SKU:
- DS199282
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 16°
- PRODUCT NAME:
- CAM
- INTAKE DURATION IMPERIAL:
- 232°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.136'
- RIDING STYLE:
- STREET
- EXHAUST DURATION IMPERIAL:
- 232°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.136'
- EXHAUST LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- EXHAUST OPEN IMPERIAL:
- 36°
- INTAKE LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- GRIND:
- #1
- INTAKE CLOSE IMPERIAL:
- 36°
- INTAKE OPEN IMPERIAL:
- 16°
$251.95 -
ANDREWS Low-Compression Cam - Big Twin 212130
ANDREWS
$251.95If you're running a Big Twin and need reliable, predictable power across the entire powerband, the ANDREWS Low-Compression Cam delivers consistent torque without the complexity of aggressive grind profiles. This U.S.-made cam is engineered specifically...DS199283- SKU:
- DS199283
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 16°
- EXHAUST LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- GRIND:
- #1
- INTAKE DURATION IMPERIAL:
- 232°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.136'
- INTAKE LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- INTAKE CLOSE IMPERIAL:
- 36°
- INTAKE OPEN IMPERIAL:
- 16°
- EXHAUST DURATION IMPERIAL:
- 232°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.136'
- EXHAUST OPEN IMPERIAL:
- 36°
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
$251.95 -
ANDREWS V4 Grind Cam - Evolution - XL 298140
ANDREWS
$504.95The ANDREWS V4 Grind Cam - Evolution - XL delivers the aggressive valve timing your small-block needs to maximize horsepower without requiring a complete top-end rebuild. Built for stock hydraulic lifter systems, this cam integrates seamlessly into your...DS199296- SKU:
- DS199296
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- APPLICATION:
- INTAKE
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.189'
- EXHAUST LIFT IMPERIAL:
- 0.490'
- EXHAUST OPEN IMPERIAL:
- 52°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.216'
- TYPE:
- CHAIN
- INTAKE DURATION IMPERIAL:
- 256°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 256°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- GRIND:
- V4
- INTAKE LIFT IMPERIAL:
- 0.490'
- INTAKE OPEN IMPERIAL:
- 30°
- EXHAUST CLOSE IMPERIAL:
- 24°
- INTAKE CLOSE IMPERIAL:
- 46°
$504.95 -
KIBBLEWHITE Valve Guide 20-4323
KIBBLEWHITE
$37.93The KIBBLEWHITE Valve Guide 20-4323 delivers precision-engineered reliability for high-performance engines that demand longevity and flow optimization. Built from premium C630 material with a tapered nose design, this guide minimizes port obstruction...09260762- SKU:
- 09260762
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BROWN
- RIDING STYLE:
- STREET
- INSIDE DIAMETER IMPERIAL:
- 0.3090'
- MATERIAL:
- C630 BRONZE
- SIZE IMPERIAL:
- OVERSIZE (+0.003')
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5650'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
$37.93 -
KIBBLEWHITE Valve Guide 20-4324
KIBBLEWHITE
$37.93If you're rebuilding or refreshing your cylinder head, valve guide selection directly impacts port flow, valve longevity, and engine reliability. The KIBBLEWHITE 20-4324 is a precision-machined guide engineered for modern fuel formulations and designed...09260763- SKU:
- 09260763
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5660'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3090'
- COLOR/FINISH:
- BRONZE
- SIZE IMPERIAL:
- OVERSIZE (+0.004')
$37.93 -
KIBBLEWHITE Valve Keys - 4 pairs - Big Twin 51005-4
KIBBLEWHITE
$33.30Valve keys are critical for maintaining proper valve timing and preventing catastrophic engine damage in Big Twin applications. KIBBLEWHITE's steel construction ensures reliable performance under high RPM conditions, while domestic manufacturing...09260774- SKU:
- 09260774
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- KEY
- MATERIAL:
- STEEL
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 8
$33.30
