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
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Wiseco Ring Set 3.437" Standard for Harley-Davidson FL 1948-1964 3437X
WISECO
$52.95Worn piston rings are a silent killer of engine performance—they bleed compression, increase oil consumption, and rob your Big Twin of power just when you need it most. The Wiseco 3437X Ring Set restores proper cylinder sealing with precision-engineered...3437X- SKU:
- 3437X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.437'
- MODEL:
- X-RING
- RING MATERIAL:
- STEEL
- UNITS:
- SET
$52.95 -
Wiseco Piston Ring Set for 1972-1985 Harley-Davidson XLH1000 XLCH XLX 1000 XLCR 3188X
WISECO
$52.95Worn or damaged piston rings are a leading cause of compression loss and oil blow-by in classic Harley engines—directly impacting power delivery and engine longevity. The Wiseco 3188X ring set restores proper sealing geometry and compression, giving you...3188X- SKU:
- 3188X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.1875'
- RING MATERIAL:
- STEEL
- MODEL:
- X-RING
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- UNITS:
- SET
$52.95 -
REVOLUTION PERFORMANCE, LLC Ring Set RP3937VMF
REVOLUTION PERFORMANCE, LLC
$69.95Ring wear is one of the fastest ways to lose compression and power in a high-performance engine. The RP3937VMF delivers gas nitride coating that handles extreme combustion pressures while sealing against nickel-silicon-carbide-plated bores with precision...09120915- SKU:
- 09120915
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE SIZE IMPERIAL:
- 3.937'
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 107'
- UNITS:
- SET
- PISTON HEAD SHAPE:
- FLAT TOP
- PRODUCT NAME:
- RING SET
$69.95 -
REVOLUTION PERFORMANCE, LLC Ring Set RP4060VMF
REVOLUTION PERFORMANCE, LLC
$69.95High-performance piston rings must seal precisely under extreme combustion pressures and temperatures. The RP4060VMF delivers superior ring-to-bore contact through gas nitride coating, engineered specifically for nickel-silicon-carbide-plated cylinder...09120916- SKU:
- 09120916
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE IMPERIAL:
- 4.060'
- COMPRESSION RATIO IMPERIAL:
- 10.6:1
- UNITS:
- SET
- DISPLACEMENT:
- 113'
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- PISTON HEAD SHAPE:
- DOMED
- PRODUCT NAME:
- RING SET
- RIDING STYLE:
- STREET
$69.95 -
On Sale
S&S CYCLE Replacement Rings 94-1210X
S&S CYCLE
MSRP: $67.95Now: $61.16Was: $67.95When you've invested in S&S pistons, you need replacement rings that match their precision engineering and durability. OEM replacement rings ensure your engine maintains the compression, seal integrity, and performance characteristics your build was...941210- SKU:
- 941210
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.625'
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- PISTON SIZE IMPERIAL:
- STANDARD
MSRP: $67.95Now: $61.16Was: $67.95 -
On Sale
S&S CYCLE Replacement Rings 94-1211X
S&S CYCLE
MSRP: $64.95Now: $58.46Was: $64.95If you're running S&S performance pistons, OEM ring sets won't cut it—you need replacements engineered to match your upgraded internals. The S&S CYCLE 94-1211X ring set delivers the compression, sealing, and durability required to maintain peak...941211- SKU:
- 941211
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PISTON SIZE IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.625'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- TYPE:
- REPLACEMENT
MSRP: $64.95Now: $58.46Was: $64.95 -
On Sale
S&S CYCLE Replacement Rings 94-1212X
S&S CYCLE
MSRP: $64.95Now: $58.46Was: $64.95If you're running S&S pistons, using OEM or substandard rings is leaving horsepower on the table. S&S Cycle replacement rings are engineered to precise tolerances that match your high-performance pistons, ensuring optimal compression, reduced blowby, and...941212- SKU:
- 941212
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.625'
- PISTON SIZE IMPERIAL:
- +0.020'
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- UNITS:
- SET
MSRP: $64.95Now: $58.46Was: $64.95 -
On Sale
S&S CYCLE Replacement Rings 94-1300X
S&S CYCLE
MSRP: $63.95Now: $57.56Was: $63.95Maintaining proper ring seal is critical to engine performance—worn or damaged piston rings lead to compression loss, oil consumption, and reduced horsepower. The S&S Cycle Replacement Rings 94-1300X are engineered to restore factory specifications and...941300- SKU:
- 941300
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON SIZE IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 4.000'
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
MSRP: $63.95Now: $57.56Was: $63.95 -
On Sale
S&S CYCLE Replacement Rings 94-1301X
S&S CYCLE
MSRP: $63.95Now: $57.56Was: $63.95If you're running S&S Performance pistons, OEM replacement rings won't cut it—you need rings engineered to match the precision tolerances and high-RPM demands of your build. S&S Cycle Replacement Rings deliver the seal integrity and durability required...941301- SKU:
- 941301
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 4.000'
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- PISTON SIZE IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
MSRP: $63.95Now: $57.56Was: $63.95 -
On Sale
S&S CYCLE Replacement Rings 94-1400X
S&S CYCLE
MSRP: $63.95Now: $57.56Was: $63.95When you're running S&S pistons at the limits of performance, factory-spec rings won't cut it. S&S Cycle replacement rings are engineered to match your high-displacement, high-compression setup, ensuring proper ring seal, minimal blow-by, and maximum...941400- SKU:
- 941400
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.125'
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- PISTON SIZE IMPERIAL:
- STANDARD
MSRP: $63.95Now: $57.56Was: $63.95 -
On Sale
S&S CYCLE Replacement Rings 94-1401X
S&S CYCLE
MSRP: $66.95Now: $60.26Was: $66.95Maintaining proper ring seal is critical to engine performance, compression, and longevity—especially in high-performance applications where stock tolerances simply won't cut it. S&S Cycle replacement rings ensure you're running OEM-quality components...941401- SKU:
- 941401
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PISTON SIZE IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 4.125'
MSRP: $66.95Now: $60.26Was: $66.95 -
On Sale
S&S CYCLE Rings for 106" Kit 94-1297X
S&S CYCLE
MSRP: $75.95Now: $68.36Was: $75.95Piston rings are a wear item that directly impacts compression, oil control, and overall engine efficiency—especially critical in high-performance 106" applications where tolerances are tight and combustion pressures are extreme. S&S Cycle rings are...20022913- SKU:
- 20022913
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON SIZE IMPERIAL:
- +0.020'
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- UNITS:
- SET
MSRP: $75.95Now: $68.36Was: $75.95 -
On Sale
S&S CYCLE Replacement Rings 94-2208X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95Piston rings are critical wear items that directly impact compression, oil control, and overall engine performance. OEM rings often degrade after extended use or high-mileage operation, leading to blow-by, increased oil consumption, and loss of power...09120091- SKU:
- 09120091
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.4375'
- PISTON SIZE IMPERIAL:
- +0.080'
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Replacement Rings 94-2209X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95Maintaining proper ring seal is critical to engine performance and longevity. S&S Cycle replacement rings ensure optimal compression, reduced blow-by, and consistent power delivery across the RPM range. Whether you're rebuilding after high-mileage wear...09120092- SKU:
- 09120092
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.4375'
- PISTON SIZE IMPERIAL:
- +0.090'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Replacement Rings 94-1200X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95When you're building or rebuilding a high-performance engine, piston ring quality directly impacts compression, blow-by control, and overall reliability. S&S Cycle replacement rings are engineered to exacting tolerances, ensuring optimal sealing and...09120093- SKU:
- 09120093
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.625'
- PISTON SIZE IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON RING
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Replacement Rings 94-1201X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95When you're rebuilding or refreshing your S&S piston assembly, OEM-quality rings are non-negotiable for proper compression, oil control, and ring seal integrity. S&S Cycle replacement rings are precision-engineered to exacting tolerances, ensuring your...09120094- SKU:
- 09120094
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON SIZE IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.625'
- PRODUCT NAME:
- PISTON RING
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Replacement Rings 94-1213X
S&S CYCLE
MSRP: $64.95Now: $58.46Was: $64.95When you're rebuilding an S&S Cycle engine, using OEM-spec replacement rings ensures proper compression, reduced blow-by, and consistent performance across the entire RPM band. These rings are engineered to exacting tolerances and will restore your...09120098- SKU:
- 09120098
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.625'
- PRODUCT NAME:
- PISTON RING
- PISTON SIZE IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
MSRP: $64.95Now: $58.46Was: $64.95 -
On Sale
S&S CYCLE Piston Rings 106-3709A
S&S CYCLE
MSRP: $74.95Now: $67.46Was: $74.95Piston rings are critical wear items that directly impact compression, oil control, and overall engine efficiency. When rings become worn or damaged, you'll experience blow-by, increased oil consumption, and a loss of power output that no amount of...09120640- SKU:
- 09120640
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- REPLACEMENT
- PISTON SIZE IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON RING
- BORE SIZE IMPERIAL:
- 3.927'
- RIDING STYLE:
- STREET
- UNITS:
- SET
MSRP: $74.95Now: $67.46Was: $74.95 -
On Sale
S&S CYCLE Piston Rings 940-0014
S&S CYCLE
MSRP: $85.95Now: $77.36Was: $85.95Worn or damaged piston rings directly compromise compression, blowby, and oil control—leading to reduced power output and increased fuel consumption. The S&S Cycle 940-0014 replacement rings restore factory sealing integrity, ensuring your engine...09120641- SKU:
- 09120641
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE IMPERIAL:
- 4.125'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- PISTON SIZE IMPERIAL:
- STANDARD
- UNITS:
- SET
MSRP: $85.95Now: $77.36Was: $85.95 -
On Sale
S&S CYCLE Piston Rings 940-0013
S&S CYCLE
MSRP: $84.95Now: $76.46Was: $84.95Piston rings are critical wear items that directly impact compression, oil control, and power delivery—worn or damaged rings rob you of performance and increase blow-by. S&S Cycle piston rings are precision-engineered to restore optimal ring sealing,...09120646- SKU:
- 09120646
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- BORE SIZE IMPERIAL:
- 4.125'
- RIDING STYLE:
- STREET
- PISTON SIZE IMPERIAL:
- +0.020'
MSRP: $84.95Now: $76.46Was: $84.95
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.
