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
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Hastings HASTINGS Piston Rings - Shovelhead 6482
HASTINGS
$56.95Piston rings are critical wear items that directly impact engine compression, blow-by control, and oil consumption—especially in high-performance Shovelhead applications where reliability demands precision. The Hastings 6482 ring set combines proven ring...DS750620- SKU:
- DS750620
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.437'
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482010
HASTINGS
$56.95Piston rings are critical to engine longevity—they seal combustion pressure, regulate oil consumption, and maintain compression integrity. Hastings rings are engineered to exacting tolerances, delivering reliable performance and extended ring life in...DS750621- SKU:
- DS750621
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.447'
- RIDING STYLE:
- STREET
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482020
HASTINGS
$56.95Hastings piston rings are engineered to restore compression and oil control in your Shovelhead engine, directly impacting power delivery and longevity. A worn ring set compromises combustion efficiency and accelerates engine wear—replacing them with...DS750622- SKU:
- DS750622
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE - OVERSIZE:
- +0,020'
- BORE SIZE IMPERIAL:
- 3.457'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- RIDING STYLE:
- STREET
- UNITS:
- SET
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482030
HASTINGS
$56.95Worn or damaged piston rings kill engine efficiency and power output—this Hastings ring set restores proper compression and oil control for consistent Shovelhead performance. Whether you're rebuilding after high mileage or maintaining race reliability,...DS750623- SKU:
- DS750623
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.467'
- BORE - OVERSIZE:
- +0,030'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482050
HASTINGS
$56.95Piston ring integrity is critical to maintaining compression, controlling blow-by, and extending engine life in any high-performance Shovelhead application. The Hastings 6482050 ring set delivers the precision engineering and material quality necessary...DS750625- SKU:
- DS750625
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.050'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- BORE - OVERSIZE:
- +0,050'
- BORE SIZE IMPERIAL:
- 3.487'
- STYLE:
- OEM REPLACEMENT
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482060
HASTINGS
$56.95Piston rings are critical to engine sealing, compression, and oil control—and worn or substandard rings will compromise power delivery and increase blowby across your Shovelhead. Hastings rings are engineered with proven ring designs and quality...DS750626- SKU:
- DS750626
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.060'
- BORE SIZE IMPERIAL:
- 3.497'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,060'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482070
HASTINGS
$56.95Hastings piston rings are engineered for Shovelhead engines that demand reliability under sustained high-rpm operation. A quality ring set directly impacts compression efficiency, oil control, and engine longevity—making this a critical maintenance or...DS750627- SKU:
- DS750627
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,070'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE OVERSIZE - IMPERIAL:
- +0.070'
- BORE SIZE IMPERIAL:
- 3.507'
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- PRODUCT NAME:
- PISTON RING
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6127
HASTINGS
$61.95Piston ring degradation directly impacts compression, blow-by, and oil consumption—three critical factors that separate a tight engine from a leaker. The Hastings 6127 ring set delivers the sealing integrity your Shovelhead demands, with a proven design...DS750630- SKU:
- DS750630
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.498'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- STYLE:
- OEM REPLACEMENT
$61.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6127020
HASTINGS
$61.95Maintaining proper compression and ring seal is critical for consistent power delivery and engine longevity in your Shovelhead. Hastings piston rings are engineered to withstand the demanding cycles of high-performance riding while minimizing blowby and...DS750632- SKU:
- DS750632
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE - OVERSIZE:
- +0,020'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.518'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$61.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6127030
HASTINGS
$61.95Proper piston ring sealing is critical to maintaining compression, controlling blow-by, and extending engine life in your Shovelhead. Hastings piston rings are engineered to deliver consistent performance across the RPM range while resisting the thermal...DS750633- SKU:
- DS750633
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.528'
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,030'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
$61.95 -
Hastings HASTINGS Piston Rings - Evolution 6164010
HASTINGS
$35.95Piston rings are the critical seal between your combustion chamber and crankcase—worn or improper rings kill compression, increase blowby, and tank engine efficiency. The Hastings Evolution 6164010 delivers OEM-quality ring geometry with proven materials...DS750641- SKU:
- DS750641
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- BORE SIZE IMPERIAL:
- 3.508'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- STYLE:
- OEM REPLACEMENT
$35.95 -
Hastings HASTINGS Piston Rings - Evolution 6164020
HASTINGS
$35.95Piston rings are critical to engine sealing, compression retention, and oil control—failure here cascades into performance loss and catastrophic engine damage. Hastings Evolution rings deliver OEM-equivalent or superior sealing geometry with proven...DS750642- SKU:
- DS750642
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.518'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- +0,020'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$35.95 -
Hastings HASTINGS Piston Rings - Evolution 2M6164005
HASTINGS
$49.95Piston rings are critical to engine sealing and compression—worn or inadequate rings lead to blowby, oil consumption, and power loss. The Hastings Evolution 2M6164005 delivers the precision ring geometry and material quality needed to maintain peak...DS750653- SKU:
- DS750653
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,005'
- BORE SIZE IMPERIAL:
- 3.503'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- UNITS:
- SET
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
$49.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4942005
HASTINGS
$97.95Worn or damaged piston rings compromise combustion efficiency, increase blow-by, and accelerate engine wear—directly impacting performance and longevity. The Hastings Twin Cam piston ring set restores proper ring seal, gas pressure containment, and oil...DS750688- SKU:
- DS750688
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
- BORE SIZE IMPERIAL:
- 3.750'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,005'
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- STYLE:
- OEM REPLACEMENT
$97.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4941005
HASTINGS
$97.95Piston rings are the critical sealing component between your pistons and cylinder walls—they directly impact compression, blow-by control, and engine longevity. Hastings rings are engineered to strict OEM tolerances and built from proven materials that...DS750693- SKU:
- DS750693
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- BORE - OVERSIZE:
- +0,005'
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- STYLE:
- OEM REPLACEMENT
$97.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4941010
HASTINGS
$97.95Piston rings are critical to engine sealing and blow-by control—worn or damaged rings result in compression loss, oil consumption, and reduced power output. The Hastings 2M4941010 delivers OEM-specification performance for Twin Cam engines, ensuring...DS750694- SKU:
- DS750694
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RING MATERIAL:
- MOLY COATED
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$97.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4805
HASTINGS
$101.95Piston rings are critical to engine performance—they seal combustion pressure, regulate oil consumption, and directly impact horsepower delivery and longevity. The Hastings 2M4805 Twin Cam rings are engineered for high-demand applications where precision...09120467- SKU:
- 09120467
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.750'
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- STYLE:
- OEM REPLACEMENT
$101.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4805005
HASTINGS
$101.95Piston rings are critical to engine sealing and performance—they maintain compression, control oil consumption, and prevent blow-by that degrades power and efficiency. Hastings piston rings are engineered to OEM specifications and manufactured with...09120468- SKU:
- 09120468
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- BORE SIZE IMPERIAL:
- 3.750'
- UNITS:
- SET
- RIDING STYLE:
- STREET
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- +0,005'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
$101.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4805010
HASTINGS
$101.95Piston rings are critical to engine sealing and compression integrity—worn or damaged rings lead to blow-by, oil consumption, and power loss. The Hastings Twin Cam 2M4805010 ring set delivers OEM-quality sealing with proven ring designs that balance...09120469- SKU:
- 09120469
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.750'
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
- STYLE:
- OEM REPLACEMENT
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RING MATERIAL:
- MOLY COATED
$101.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4942
HASTINGS
$97.95Piston rings are critical to engine performance—they seal combustion pressure, regulate oil consumption, and directly impact compression and power delivery. The Hastings 2M4942 Twin Cam ring set delivers the precision engineering and material quality...DS750687- SKU:
- DS750687
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.750'
- PRODUCT NAME:
- PISTON RING
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- STYLE:
- OEM REPLACEMENT
- RING MATERIAL:
- MOLY COATED
$97.95
