Harley Piston Rings Only
Harley Bike Piston Rings at JJ Motorsports
Refresh your Harley’s top end with premium piston ring sets from JJ Motorsports, featuring chrome, moly, and high-performance coatings for perfect sealing, reduced blow-by, and maximum durability on Sportster, Big Twin, Evo, Twin Cam, and M8 engines. These precision rings deliver reliable compression and long life.
Shop Hastings, Wiseco, and Revolution Performance rings for proven quality. Explore related categories such as Harley engine for pistons and gaskets, or Harley for cylinders and heads to complete your top-end rebuild.
Top Harley Piston Rings
- Hastings Piston Rings XL-7003 – Chrome-faced ring set for Sportster; excellent wear resistance and oil control.
- Wiseco Ring Set 3504X – High-performance ring set for 3.504" bore; moly-coated top ring for Twin Cam and Evo builds.
- Revolution Performance LLC Ring Set RP4250VMF – Premium ring set for 4.250" bore; designed for high-compression M8 and performance applications.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Hastings HASTINGS Piston Rings 2M5721
HASTINGS
$39.95Piston rings are critical to engine sealing and compression—worn or substandard rings lead to blow-by, oil consumption, and power loss. The Hastings 2M5721 delivers OEM-quality construction with proven ring designs that maintain proper bore contact...DS750861- SKU:
- DS750861
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RING MATERIAL:
- MOLY COATED
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.625'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
$39.95 -
Hastings HASTINGS Piston Rings - Evolution 2M6198
HASTINGS
$55.95Piston rings are critical to engine sealing and performance—inadequate ring quality leads to blow-by, loss of compression, and accelerated wear. Hastings Evolution 2M6198 rings deliver the precision engineering and material science your engine needs to...DS750850- SKU:
- DS750850
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.000'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$55.95 -
Hastings HASTINGS Piston Rings - Evolution 2M6164030
HASTINGS
$49.95Piston rings are the critical seal between your pistons and cylinder walls—and cheap or worn rings will cost you compression, blow-by, and power. Hastings has engineered the Evolution 2M6164030 rings to deliver reliable sealing across the full RPM range...DS750843- SKU:
- DS750843
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,030'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- BORE SIZE IMPERIAL:
- 3.528'
- UNITS:
- SET
- RIDING STYLE:
- STREET
$49.95 -
Hastings HASTINGS Piston Rings - Evolution 2M6164020
HASTINGS
$49.95Piston rings are the critical seal between your combustion chamber and crankcase—get them wrong, and you're looking at blow-by, oil consumption, and power loss. Hastings' Evolution 2M6164020 rings are engineered with a proven combination of materials and...DS750842- SKU:
- DS750842
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- UNITS:
- SET
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,020'
- BORE SIZE IMPERIAL:
- 3.498'
- RING MATERIAL:
- MOLY COATED
$49.95 -
Hastings HASTINGS Piston Rings - Evolution 2M6164010
HASTINGS
$49.95Proper ring design is fundamental to engine longevity and performance—Hastings Evolution piston rings deliver precise compression sealing while minimizing blowby and oil consumption. Whether you're rebuilding a street engine or preparing for sustained...DS750841- SKU:
- DS750841
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- RING MATERIAL:
- MOLY COATED
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.508'
- RIDING STYLE:
- STREET
$49.95 -
Hastings HASTINGS Piston Rings - Evolution 2M6164
HASTINGS
$49.95Piston rings are where cylinder pressure meets reliability—and Hastings has engineered the Evolution 2M6164 to deliver both. Whether you're building a high-revving engine or restoring a proven platform, these rings maintain consistent blowby control and...DS750840- SKU:
- DS750840
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- SET
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.498'
- RING MATERIAL:
- MOLY COATED
- STYLE:
- OEM REPLACEMENT
- PRODUCT NAME:
- PISTON RING
$49.95 -
Hastings HASTINGS Piston Rings - Shovelhead 2M6127040
HASTINGS
$82.95Piston rings are critical to engine sealing, compression, and oil control—worn or substandard rings lead to blow-by, power loss, and accelerated wear on cylinder walls. The Hastings Piston Ring Set for Shovelhead engines delivers OEM-equivalent...DS750834- SKU:
- DS750834
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE SIZE IMPERIAL:
- 3.538'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,040'
$82.95 -
Hastings HASTINGS Piston Rings - Shovelhead 2M6127030
HASTINGS
$82.95Proper piston ring sealing is critical to maintaining compression, controlling blow-by, and extending engine life in Shovelhead applications. These Hastings rings deliver the durability and precision fit that serious builders and rebuilders depend on to...DS750833- SKU:
- DS750833
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,030'
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.528'
- UNITS:
- SET
- RING MATERIAL:
- MOLY COATED
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
$82.95 -
Hastings HASTINGS Piston Rings - Shovelhead 2M6127020
HASTINGS
$82.95Piston rings are critical to engine seal integrity, compression, and oil control—worn or improper rings will cause blow-by, power loss, and accelerated wear on cylinder walls. Hastings piston rings are engineered to tight tolerances and designed...DS750832- SKU:
- DS750832
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.518'
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- STYLE:
- PERFORMANCE REPLACEMENT
- BORE - OVERSIZE:
- +0,020'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- RING MATERIAL:
- MOLY COATED
$82.95 -
Hastings HASTINGS Piston Rings - Shovelhead 2M6127010
HASTINGS
$82.95Piston rings are critical to engine sealing, compression, and oil control—wear them out, and you're looking at lost power, blow-by, and accelerated engine wear. The Hastings 2M6127010 delivers the precise fitment and proven durability your Shovelhead...DS750831- SKU:
- DS750831
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.508'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
$82.95 -
Hastings HASTINGS Piston Rings - Shovelhead 2M6127
HASTINGS
$82.95Piston rings are critical to engine longevity—they seal combustion pressure, regulate oil consumption, and maintain compression. Hastings rings are engineered for durability and consistent performance, making them the trusted choice for Shovelhead...DS750830- SKU:
- DS750830
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,060'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.060'
- BORE SIZE IMPERIAL:
- 3.498'
- RING MATERIAL:
- MOLY COATED
- UNITS:
- SET
- RIDING STYLE:
- STREET
$82.95 -
Hastings HASTINGS Piston Rings - 1200 2M6482070
HASTINGS
$80.95Piston rings are critical to engine performance—they seal combustion pressure, control oil consumption, and directly impact horsepower delivery and engine longevity. Hastings rings are engineered to strict OEM tolerances with proven materials that handle...DS750827- SKU:
- DS750827
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,070'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- RING MATERIAL:
- MOLY COATED
- UNITS:
- SET
- BORE OVERSIZE - IMPERIAL:
- +0.070'
- BORE SIZE IMPERIAL:
- 3.507'
- RIDING STYLE:
- STREET
$80.95 -
Hastings HASTINGS Piston Rings - 1200 2M6482060
HASTINGS
$80.95Piston rings are critical to engine sealing and compression—worn or substandard rings will cause blow-by, oil consumption, and power loss. Hastings piston rings are engineered for durability and precise fitment, ensuring your engine maintains optimal...DS750826- SKU:
- DS750826
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.437'
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,060'
- BORE OVERSIZE - IMPERIAL:
- +0.060'
- RING MATERIAL:
- MOLY COATED
$80.95 -
Hastings HASTINGS Piston Rings - 1200 2M6482050
HASTINGS
$80.95Piston rings are critical to engine sealing and compression—worn or substandard rings lead to blow-by, oil consumption, and power loss. The Hastings 1200 2M6482050 delivers OEM-quality engineering with proven ring designs that maintain proper gas sealing...DS750825- SKU:
- DS750825
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.487'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- STYLE:
- PERFORMANCE REPLACEMENT
- BORE - OVERSIZE:
- +0,050'
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.050'
- UNITS:
- SET
$80.95 -
Hastings HASTINGS Piston Rings - 1200 2M6482020
HASTINGS
$80.95Piston rings are the critical seal between your combustion chamber and crankcase—wear them out, and you're looking at blow-by, loss of compression, and accelerated engine degradation. The Hastings 1200 series delivers the durability and precision you...DS750822- SKU:
- DS750822
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.457'
- RING MATERIAL:
- MOLY COATED
- STYLE:
- PERFORMANCE REPLACEMENT
- BORE - OVERSIZE:
- +0,020'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE OVERSIZE - IMPERIAL:
- +0.020'
$80.95 -
Hastings HASTINGS Piston Rings - 1200 2M6482010
HASTINGS
$80.95Piston rings are critical to engine sealing, compression, and oil control—and worn or substandard rings lead to blow-by, power loss, and accelerated wear. The Hastings 2M6482010 piston ring set delivers the precise tolerances and material quality needed...DS750821- SKU:
- DS750821
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE IMPERIAL:
- 3.447'
- UNITS:
- SET
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- STYLE:
- PERFORMANCE REPLACEMENT
- BORE - OVERSIZE:
- +0,010'
- RING MATERIAL:
- MOLY COATED
$80.95 -
Hastings HASTINGS Piston Rings - 1200 2M6482
HASTINGS
$80.95Piston rings are the critical seal between your combustion chamber and crankcase—without proper ring design, you'll lose compression, burn oil, and compromise power output. Hastings engineered these 1200 2M6482 rings with a proven cast/moly top ring and...DS750820- SKU:
- DS750820
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- SET
- RING MATERIAL:
- MOLY COATED
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.437'
- PRODUCT NAME:
- PISTON RING
$80.95 -
Hastings HASTINGS Piston Rings - XL 2M7003030
HASTINGS
$89.95Hastings piston rings deliver the precision fit and durability demanded by serious racers and rebuild specialists. These replacement rings are engineered to work seamlessly with KB pistons, enabling tighter tolerances that extend both ring and piston...DS750813- SKU:
- DS750813
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RING MATERIAL:
- MOLY COATED
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,030'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- BORE SIZE IMPERIAL:
- 3.217'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
Hastings HASTINGS Piston Rings - XL 2M7003
HASTINGS
$89.95Hastings piston rings deliver the precision fit and durability that high-performance engines demand. Engineered to work seamlessly with KB pistons, these rings extend component lifespan while maintaining tighter tolerances that serious builders rely on...DS750810- SKU:
- DS750810
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.1875'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- UNITS:
- SET
$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
Wiseco Ring Set 3.518in. for Harley-Davidson FLH Electra Glide 1970-1984 3517X
WISECO
$52.95Piston ring quality directly impacts combustion efficiency, oil control, and overall engine longevity—especially critical in high-mileage or heavily-modified engines. The Wiseco 3517X is precision-engineered to restore compression sealing and reduce...3517X- SKU:
- 3517X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON DIAMETER IMPERIAL:
- 3.518'
- MODEL:
- X SERIES
- RING MATERIAL:
- STEEL
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,020'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
$52.95
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Engine Rings Only
- Compatibility: Ensure rings match your Harley's engine type (e.g., Big Twin, Twin Cam, Evo, M8) and bore size (standard or oversize +0.005/+0.010/+0.020). Use the vehicle selector for model-specific fits to avoid compression loss or rebuild issues.
- Type of Use: For standard rebuilds, choose moly-faced rings for quick seating; high-performance engines benefit from plasma-moly or low-tension rings for reduced friction and better power in demanding conditions.
- Components and Upgrades: Select ring sets for one piston (top, second, oil rings); upgrade to oversize for bored engines or gapless designs for improved sealing.
- Brand and Quality: Opt for Wiseco or Hastings for high-quality moly-faced rings with precise tolerances. Prioritize materials like cast iron or steel for durability and compatibility with forged pistons.
- Installation and Cost: Rings are part of DIY piston installs with basic tools; prices range from $20 for basic sets to $50 for premium oversize—factor in free shipping over $99 and expert support for value.
Frequently Asked Questions (FAQs)
- What Harley models and engines do these rings support? Rings support Big Twin, Twin Cam, Evo, M8, and models like Road King or Heritage Softail—use the year/make/model filter for bore-specific compatibility.
- How do moly-faced rings improve performance? They provide quick break-in, better sealing, and reduced friction for optimal compression and power in rebuilds.
- What is typically included in a ring set? Sets include top, second, and oil rings for one piston; check details for standard vs. oversize and any clips.
- Are these rings suitable for oversize bores? Yes, available in +0.005 to +0.020 oversizes for bored cylinders in performance upgrades.
- What if a ring set doesn't fit my Harley? Verify bore size and engine type before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore pistons, gaskets, cylinders/heads, or full kits in the Harley engine category to complement your rings for a complete rebuild.
