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
-
Wiseco Ring Set 3.498in. for Harley-Davidson FLH Electra Glide 1970-1985 3497X
WISECO
$52.95Worn or damaged piston rings rob your FLH of compression, power, and fuel efficiency—exact problems that Wiseco's 3497X ring set eliminates through precision engineering and proven materials. This purpose-built ring set restores proper cylinder sealing...3497X- SKU:
- 3497X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE IMPERIAL:
- 3.498'
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- RING MATERIAL:
- STEEL
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,060'
- BORE OVERSIZE - IMPERIAL:
- +0.060'
- MODEL:
- X SERIES
- PISTON DIAMETER IMPERIAL:
- 3.498'
$52.95 -
Wiseco Ring Set 3.457in 0.020in Oversize for Harley-Davidson FL 1948-1964 3457X
WISECO
$52.95Worn or damaged piston rings are a silent killer of engine efficiency—they directly impact compression, blow-by, and power output. The Wiseco Ring Set 3457X delivers precision-engineered sealing for your Big Twin, restoring the combustion efficiency your...3457X- SKU:
- 3457X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE SIZE IMPERIAL:
- 3.457'
- MODEL:
- X-RING
- BORE - OVERSIZE:
- +0,020'
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- RING MATERIAL:
- STEEL
- UNITS:
- SET
$52.95 -
Wiseco Ring Set Big Twin 1965-1980 Harley-Davidson 1200 Electra Glide FLH 3467X
WISECO
$52.95Worn or damaged piston rings are a primary cause of blow-by, oil consumption, and power loss in classic Big Twin engines. The Wiseco Ring Set 3467X restores proper combustion sealing and cylinder compression, bringing your 1965-1980 Harley-Davidson 1200...3467X- SKU:
- 3467X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE - OVERSIZE:
- +0,030'
- MODEL:
- X-RING
- PRODUCT NAME:
- PISTON RING
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- BORE SIZE IMPERIAL:
- 3.437'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- STEEL
- UNITS:
- SET
$52.95 -
Wiseco Ring Set 3.447in 1948-1964 Harley-Davidson FLH 3447X
WISECO
$52.95Worn piston rings are the silent killer of engine efficiency—they let combustion pressure escape, rob you of power, and increase blow-by that fouls your oil. The Wiseco Ring Set 3447X restores proper compression sealing in your Big Twin, bringing back...3447X- SKU:
- 3447X
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.447'
- BORE - OVERSIZE:
- +0,010'
- MODEL:
- X-RING
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- RING MATERIAL:
- STEEL
- UNITS:
- SET
$52.95 -
Wiseco Ring Set Big Twin 1948-1980 3.437in 3477X
WISECO
$52.95Maintaining proper ring seal is critical for preserving compression, controlling blow-by, and maximizing combustion efficiency in your Big Twin engine. The Wiseco 3477X Ring Set delivers precision-engineered sealing that prevents oil consumption and...3477X- SKU:
- 3477X
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE - OVERSIZE:
- +0,040'
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE SIZE IMPERIAL:
- 3.437'
- RING MATERIAL:
- STEEL
- UNITS:
- SET
- MODEL:
- X-RING
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
$52.95 -
REVOLUTION PERFORMANCE, LLC Ring Set RP4250VMF
REVOLUTION PERFORMANCE, LLC
$69.95If you're running nickel-silicon-carbide-plated bores, you need ring sets engineered specifically for that application—and that's exactly what the REVOLUTION PERFORMANCE RP4250VMF delivers. Gas nitride coating provides superior wear resistance and...09120917- SKU:
- 09120917
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.2:1
- PRODUCT NAME:
- RING SET
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 4.250'
- DISPLACEMENT:
- 124'
- PISTON HEAD SHAPE:
- FLAT TOP
$69.95 -
REVOLUTION PERFORMANCE, LLC Ring Set RP4125VMF
REVOLUTION PERFORMANCE, LLC
$69.95If you're running a high-performance engine with nickel-silicon-carbide-plated cylinder bores, ring selection directly impacts compression, blow-by control, and longevity under sustained load. The REVOLUTION PERFORMANCE Ring Set RP4125VMF delivers gas...09120919- SKU:
- 09120919
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON HEAD SHAPE:
- DOMED
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- BORE SIZE IMPERIAL:
- 4.125'
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- RING SET
- RIDING STYLE:
- STREET
$69.95 -
REVOLUTION PERFORMANCE, LLC Ring Set RPS2M8535.STD-C
REVOLUTION PERFORMANCE, LLC
$102.95If you're running nickel-silicon-carbide-plated cylinder bores, this ring set is engineered specifically for that combination—gas nitride coating ensures optimal sealing, reduced blowby, and extended ring life under high-boost and competition conditions...09120920- SKU:
- 09120920
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- DISPLACEMENT:
- 143'
- PISTON HEAD SHAPE:
- FLAT TOP
- PRODUCT NAME:
- RING SET
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 139'
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 4.500'
$102.95 -
REVOLUTION PERFORMANCE, LLC Ring Set RP9050XX
REVOLUTION PERFORMANCE, LLC
$69.95If you're running a high-performance or racing engine with nickel-silicon-carbide-plated cylinder bores, this ring set delivers the seal integrity and durability your build demands. Gas nitride coating provides superior wear resistance and thermal...09120921- SKU:
- 09120921
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STROKE LENGTH IMPERIAL:
- 3-15/16'
- UNITS:
- SET
- PRODUCT NAME:
- RING SET
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.563'
- DISPLACEMENT:
- 1250 CC
$69.95 -
REVOLUTION PERFORMANCE, LLC Ring Set RP3875XK
REVOLUTION PERFORMANCE, LLC
$58.95Piston ring wear is one of the fastest paths to power loss and compression failure in high-performance engines. The RP3875XK delivers the durability and precision fit your build demands, with gas nitride coating engineered specifically for...09120922- SKU:
- 09120922
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE IMPERIAL:
- 3.875'
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- PRODUCT NAME:
- RING SET
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- DISPLACEMENT:
- 90'
- PISTON HEAD SHAPE:
- FLAT TOP
- UNITS:
- SET
$58.95 -
Wiseco Piston Ring Set 3.875in Standard 95 Harley-Davidson Street Bob 2006-2017 3875VM
WISECO
$52.95Worn or damaged piston rings cause blow-by and compression loss, directly robbing your Street Bob of power and fuel efficiency. Wiseco's precision-engineered replacement rings restore proper cylinder sealing and combustion chamber integrity, essential...09120285- SKU:
- 09120285
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- VM SERIES
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- STEEL
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 95'
- UNITS:
- SET
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
Wiseco Piston Ring Set 3.880in for Harley-Davidson Twin Cam 1999-2017 3880VM
WISECO
$49.95Piston rings are critical to maintaining compression, controlling oil consumption, and preventing blowby in high-revving engines. Worn or damaged rings compromise combustion efficiency and can accelerate wear on cylinder walls and pistons. The Wiseco...09120286- SKU:
- 09120286
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BORE - OVERSIZE:
- +0,005'
- MODEL:
- VM SERIES
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- RING MATERIAL:
- STEEL
- UNITS:
- SET
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- BORE SIZE IMPERIAL:
- 3.875'
- DISPLACEMENT:
- 95'
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
Wiseco Piston Ring Set 3875XK for Harley-Davidson 103" 2007-2017
WISECO
$46.95Piston rings are critical wear items in any engine rebuild—they seal combustion pressure, regulate oil consumption, and directly impact compression and power output. The Wiseco 3875XK ring set delivers OEM-equivalent performance with precision...09120145- SKU:
- 09120145
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- PISTON RING
- MODEL:
- X SERIES
- RING MATERIAL:
- STEEL
- UNITS:
- SET
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 103'
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.875'
$46.95 -
Wiseco 3880XK Ring Set for Harley-Davidson 103" Twin Cam 2007-2017
WISECO
$46.95Stock piston rings can't handle the demands of high-performance riding—they wear quickly, increase oil consumption, and rob you of combustion efficiency. The Wiseco 3880XK Ring Set delivers precision engineering and superior sealing for your 103" Twin...09120146- SKU:
- 09120146
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- DISPLACEMENT:
- 103'
- RING MATERIAL:
- STEEL
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,005'
- MODEL:
- X SERIES
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
$46.95 -
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
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.
