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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Hastings HASTINGS Piston Rings - Twin Cam 2M4942+.010
HASTINGS
$37.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750689- SKU:
- DS750689
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.750'
- PRODUCT NAME:
- PISTON RING
$37.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4941005
HASTINGS
$97.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750693- 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
$97.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750694- 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
$101.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil rings09120467- 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
$101.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil rings09120468- 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
$101.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil rings09120469- 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
$97.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750687- 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 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4941
HASTINGS
$97.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750692- SKU:
- DS750692
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RING MATERIAL:
- MOLY COATED
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$97.95 -
On Sale
Wiseco Ring Set 3.1875in 1972-1985 Harley-Davidson XLH1000 3208X
WISECO
MSRP: $49.95Now: $42.00Was: $49.95The WISECO Ring Set XL 3208X is designed for high-performance engines, providing exceptional durability and reliability. This set includes replacement rings specifically for one piston, ensuring optimal fit and function for your engine rebuild or repair...3208X- SKU:
- 3208X
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE SIZE IMPERIAL:
- 3.1875'
- RING MATERIAL:
- STEEL
- BORE - OVERSIZE:
- +0,020'
- MODEL:
- X-RING
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
MSRP: $49.95Now: $42.00Was: $49.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4985005
HASTINGS
$87.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750875- SKU:
- DS750875
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RING MATERIAL:
- MOLY COATED
- BORE - OVERSIZE:
- +0,005'
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- UNITS:
- SET
$87.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4985
HASTINGS
$87.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750874- SKU:
- DS750874
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
$87.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4793
HASTINGS
$75.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750869- SKU:
- DS750869
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- STYLE:
- PERFORMANCE REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.750'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
$75.95 -
Hastings HASTINGS Piston Rings - Shovelhead 2M6127005
HASTINGS
$82.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750867- SKU:
- DS750867
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.503'
- RIDING STYLE:
- STREET
- STYLE:
- PERFORMANCE REPLACEMENT
- PRODUCT NAME:
- PISTON RING
- BORE - OVERSIZE:
- +0,005'
- RING MATERIAL:
- MOLY COATED
$82.95 -
Hastings HASTINGS Piston Rings 2M5721
HASTINGS
$39.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750861- 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
$55.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750850- 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
$49.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750843- 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
$49.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750842- 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
$49.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750841- 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
$49.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750840- 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
$82.95Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750834- 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
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.
