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
-
On Sale
KIBBLEWHITE Cast Iron Valve Guide - XL 20-2321C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are the unsung foundation of cylinder head integrity—wear them out, and you're looking at catastrophic oil consumption, valve seat damage, and lost compression. The KIBBLEWHITE Cast Iron...09260702- SKU:
- 09260702
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 0.5660'
- RIDING STYLE:
- STREET
- MATERIAL:
- CAST IRON
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Cast Iron Valve Guide - XL 20-2331C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are critical to engine longevity—they control oil consumption, prevent valve stem wear, and maintain precise valve-to-seat alignment under extreme combustion pressures. The KIBBLEWHITE...09260703- SKU:
- 09260703
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.5660'
- RIDING STYLE:
- STREET
- INSIDE DIAMETER IMPERIAL:
- 0.3375'
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- UNITS:
- EACH
- MATERIAL:
- CAST IRON
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Cast Iron Valve Guide - XL 20-2322C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are critical to engine longevity and performance—they control oil consumption, maintain precise valve seating, and prevent wear that compounds over time. The KIBBLEWHITE Cast Iron Valve...09260706- SKU:
- 09260706
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 0.5670'
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- APPLICATION:
- INTAKE
- UNITS:
- EACH
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Cast Iron Valve Guide - XL 20-2332C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are critical wear items that directly impact cylinder head integrity and engine longevity. The KIBBLEWHITE Cast Iron Valve Guide XL 20-2332C delivers precision machining and proven...09260707- SKU:
- 09260707
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3375'
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 0.5670'
- PRODUCT NAME:
- VALVE GUIDE
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- UNITS:
- EACH
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2120C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Factory valve guides wear under sustained high-RPM operation, causing excessive stem clearance that leads to oil consumption, valve recession, and compromised sealing. The KIBBLEWHITE 20-2120C...09260716- SKU:
- 09260716
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- APPLICATION:
- INTAKE
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 0.5620'
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2130C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are critical to maintaining proper valve alignment and preventing excessive wear in high-performance applications. A worn or damaged guide compromises cylinder head integrity and...09260717- SKU:
- 09260717
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.5620'
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-4320C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are critical to engine longevity—they control oil consumption, maintain precise valve sealing, and prevent costly cylinder head damage. The KIBBLEWHITE 20-4320C is precision-machined to...09260718- SKU:
- 09260718
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3090'
- MATERIAL:
- CAST IRON
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.5620'
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2121C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are critical to maintaining proper valve alignment and preventing excess wear on your cylinder head—especially in high-performance Big Twin applications where tolerances matter. A worn...09260719- SKU:
- 09260719
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 0.5630'
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2131C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Worn valve guides compromise cylinder head integrity and increase oil consumption—a problem that compounds quickly under high RPM operation. The KIBBLEWHITE 20-2131C restores precise valve seat...09260720- SKU:
- 09260720
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5630'
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- MATERIAL:
- CAST IRON
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide 20-2122
KIBBLEWHITE
MSRP: $31.71Now: $28.54Was: $31.71If you're rebuilding a high-revving engine or restoring a classic to show-quality standards, valve guide wear directly impacts compression sealing, oil consumption, and port flow efficiency...09260721- SKU:
- 09260721
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5640'
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- BASE COLOR:
- BROWN
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- UNITS:
- EACH
MSRP: $31.71Now: $28.54Was: $31.71 -
On Sale
KIBBLEWHITE Valve Guide 20-2132
KIBBLEWHITE
MSRP: $31.71Now: $28.54Was: $31.71Precision valve guides are critical to maintaining proper valve alignment, sealing, and flow efficiency in high-performance engines. The KIBBLEWHITE 20-2132 delivers OEM-quality construction with a...09260722- SKU:
- 09260722
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 0.5640'
- PRODUCT NAME:
- VALVE GUIDE
- BASE COLOR:
- BROWN
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- MATERIAL:
- C630 BRONZE
- APPLICATION:
- EXHAUST
- COLOR/FINISH:
- BRONZE
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- UNITS:
- EACH
MSRP: $31.71Now: $28.54Was: $31.71 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2122C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guides are critical for maintaining proper valve alignment and controlling stem clearance—wear in these components leads to oil burning, compression loss, and catastrophic engine damage. The...09260723- SKU:
- 09260723
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- MATERIAL:
- CAST IRON
- APPLICATION:
- INTAKE
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5640'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide 20-2123
KIBBLEWHITE
MSRP: $31.71Now: $28.54Was: $31.71A worn or damaged valve guide compromises both flow efficiency and engine reliability—and OEM replacements often leave performance on the table. The KIBBLEWHITE 20-2123 delivers precision engineering...09260725- SKU:
- 09260725
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- BROWN
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.003')
- MATERIAL:
- C630 BRONZE
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5650'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
MSRP: $31.71Now: $28.54Was: $31.71 -
On Sale
KIBBLEWHITE Valve Guide 20-2133
KIBBLEWHITE
MSRP: $31.71Now: $28.54Was: $31.71If you're rebuilding a cylinder head or refreshing valve train components, precision valve guides are non-negotiable for long-term durability and flow efficiency. The KIBBLEWHITE 20-2133 is...09260726- SKU:
- 09260726
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BROWN
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- 0.5650'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- MATERIAL:
- C630 BRONZE
- SIZE IMPERIAL:
- OVERSIZE (+0.003')
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.3085'
MSRP: $31.71Now: $28.54Was: $31.71 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2123C
KIBBLEWHITE
MSRP: $8.83Now: $7.95Was: $8.83Valve guides are critical to maintaining proper valve alignment and controlling oil consumption in your Big Twin engine. Kibblewhite's precision-machined guides ensure tight tolerances and extended...09260727- SKU:
- 09260727
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- APPLICATION:
- INTAKE
- SIZE IMPERIAL:
- OVERSIZE (+0.003')
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3098'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5650'
- RIDING STYLE:
- STREET
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
MSRP: $8.83Now: $7.95Was: $8.83 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2133C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Kibblewhite valve guides are engineered to maintain precise valve-to-bore clearances, which directly impacts combustion efficiency and engine longevity. Whether you're running modern no-lead fuel or...09260728- SKU:
- 09260728
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- SIZE IMPERIAL:
- OVERSIZE (+0.003')
- INSIDE DIAMETER IMPERIAL:
- 0.3098'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5650'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-4323C
KIBBLEWHITE
MSRP: $9.84Now: $8.86Was: $9.84Valve guide wear is one of the most common causes of oil consumption and reduced compression in Big Twin engines—and a worn guide can cascade into far more expensive repairs down the line. The...09260729- SKU:
- 09260729
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5650'
- SIZE IMPERIAL:
- OVERSIZE (+0.003')
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- INSIDE DIAMETER IMPERIAL:
- 0.3098'
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
MSRP: $9.84Now: $8.86Was: $9.84 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2124C
KIBBLEWHITE
MSRP: $8.83Now: $7.95Was: $8.83Valve guides are critical to maintaining proper valve alignment and minimizing wear in your Big Twin engine. OEM guides degrade over time, leading to increased blowby, oil consumption, and potential...09260732- SKU:
- 09260732
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3098'
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- 0.5660'
- SIZE IMPERIAL:
- OVERSIZE (+0.004')
- APPLICATION:
- INTAKE
- UNITS:
- EACH
MSRP: $8.83Now: $7.95Was: $8.83 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-2134C
KIBBLEWHITE
MSRP: $8.83Now: $7.95Was: $8.83Valve guides are critical to maintaining precise valve seat geometry and preventing excessive stem wear—especially in high-mileage or modified engines. The KIBBLEWHITE 20-2134C delivers the...09260733- SKU:
- 09260733
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.5660'
- INSIDE DIAMETER IMPERIAL:
- 0.3098'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.004')
MSRP: $8.83Now: $7.95Was: $8.83 -
On Sale
KIBBLEWHITE Valve Guide - Big Twin 20-4324C
KIBBLEWHITE
MSRP: $8.83Now: $7.95Was: $8.83Valve guides are critical to maintaining proper valve alignment and preventing wear in your Big Twin engine. Kibblewhite's precision-machined guides ensure consistent oil control and extend the life...09260734- SKU:
- 09260734
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5660'
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3098'
- RIDING STYLE:
- STREET
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.004')
MSRP: $8.83Now: $7.95Was: $8.83
