Harley Piston and Ring Kits
Harley Bike Piston & Ring Kits at JJ Motorsports
Rebuild your Harley's top end with premium piston and ring kits from JJ Motorsports, featuring forged aluminum pistons with high-performance rings for increased compression and durability on Big Twin, Evo, Twin Cam, and Sportster engines. These kits deliver reliable power and long-lasting performance.
Shop KB Performance, Wiseco, and Revolution Performance piston kits for race-proven quality. Explore related categories such as Harley engine for gaskets and rebuilds, or Harley for cams and heads to complete your top-end refresh.
Top Harley Piston & Ring Kits
- KB Performance Super Duty Piston KB660LCA-STD – Forged super-duty piston with rings for 660cc; ideal for high-compression Evo builds.
- Wiseco Piston Kit with Gasket VM Ring VT2719 – Complete Wiseco kit for Twin Cam; includes rings and gaskets for reliable top-end power.
- Revolution Performance LLC Piston Kit RP301-601W – 601cc piston kit with wrist pin; forged for Sportster performance upgrades.
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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On Sale
S&S CYCLE Piston Kit 106-5556
S&S CYCLE
MSRP: $484.95Now: $436.46Was: $484.95If you're running a 883cc or 1200cc Big Twin and want genuine displacement gains without a complete engine overhaul, this S&S piston kit delivers 1250cc of additional cubic inches at a proven 10.3:1 compression ratio. The flat-topped design maximizes...09101938- SKU:
- 09101938
- Availability:
- Ships Same Business Day
- Weight:
- 2.37 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.25:1
- DISPLACEMENT:
- 89'
- TYPE:
- REPLACEMENT
- BORE - OVERSIZE:
- +0,020'
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON HEAD SHAPE:
- FLAT TOP
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- FORGED
MSRP: $484.95Now: $436.46Was: $484.95 -
On Sale
S&S CYCLE Piston Kit 106-5793
S&S CYCLE
MSRP: $484.95Now: $436.46Was: $484.95If you're running an 883cc or 1200cc Big Twin and want genuine displacement gains without complete engine teardown, the S&S CYCLE 1250cc Piston Kit delivers 67 additional cubic centimeters of swept volume with a proven 10.3:1 compression ratio. This is a...09101939- SKU:
- 09101939
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.25:1
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,030'
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON HEAD SHAPE:
- FLAT TOP
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- DISPLACEMENT:
- 89'
- TYPE:
- REPLACEMENT
MSRP: $484.95Now: $436.46Was: $484.95 -
On Sale
S&S CYCLE Piston Kit 106-4414
S&S CYCLE
MSRP: $514.95Now: $463.46Was: $514.95If you're running an 883cc or 1200cc Big Twin and want measurable power gains without a complete engine rebuild, this S&S piston kit delivers a straightforward path to 1250cc displacement and a meaningful bump in output. The 10.3:1 compression ratio...09102141- SKU:
- 09102141
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE SIZE IMPERIAL:
- 3.927'
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- DISPLACEMENT:
- 97'
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- BORE - OVERSIZE:
- +0,010'
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- STROKE LENGTH IMPERIAL:
- 4'
MSRP: $514.95Now: $463.46Was: $514.95 -
On Sale
S&S CYCLE Piston Kit 106-4416
S&S CYCLE
MSRP: $514.95Now: $463.46Was: $514.95If you're running a Big Twin and want real displacement gains without a full engine rebuild, the S&S Cycle 1250cc Piston Kit delivers measurable power increases through proven engineering. These cast flat-topped pistons unlock an extra 50cc of...09102142- SKU:
- 09102142
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- BORE SIZE IMPERIAL:
- 3.927'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- BORE - OVERSIZE:
- +0,010'
- DISPLACEMENT:
- 106'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
MSRP: $514.95Now: $463.46Was: $514.95Qty in Cart: 0Quantity:Price:MSRP: $514.95Now: $463.46Was: $514.95Subtotal: -
On Sale
S&S CYCLE Piston Kit - Shovelhead 106-5535
S&S CYCLE
MSRP: $410.95Now: $369.86Was: $410.95If you're rebuilding a Shovelhead engine or upgrading from worn OEM pistons, the S&S Cycle Piston Kit delivers the strength and longevity your engine demands. These forged pistons handle the thermal and mechanical stress of high-performance riding...09101992- SKU:
- 09101992
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 LBS
- BORE SIZE IMPERIAL:
- 3.625'
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $410.95Now: $369.86Was: $410.95 -
On Sale
S&S CYCLE Piston Kit - Shovelhead 106-5536
S&S CYCLE
MSRP: $410.95Now: $369.86Was: $410.95When you're rebuilding a Shovelhead, piston quality directly determines engine reliability and performance longevity. S&S Cycle's forged piston kit delivers the strength and precision needed to handle high-RPM demands without compromise. This complete...09101993- SKU:
- 09101993
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- BORE SIZE IMPERIAL:
- 3.635'
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
MSRP: $410.95Now: $369.86Was: $410.95 -
On Sale
S&S CYCLE Piston Kit - Shovelhead 106-5537
S&S CYCLE
MSRP: $410.95Now: $369.86Was: $410.95If you're rebuilding or upgrading your Shovelhead, piston quality directly impacts reliability, longevity, and how your engine performs under load. S&S Cycle's forged piston kit engineered with modern alloys and optimized skirt profiles delivers the...09101994- SKU:
- 09101994
- Availability:
- Ships Same Business Day
- Weight:
- 2.87 LBS
- BORE - OVERSIZE:
- +0,020'
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE SIZE IMPERIAL:
- 3.645'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $410.95Now: $369.86Was: $410.95 -
On Sale
S&S CYCLE Piston Kit - Shovelhead 106-5538
S&S CYCLE
MSRP: $410.95Now: $369.86Was: $410.95If you're building or rebuilding a Shovelhead, piston quality directly impacts engine reliability, noise levels, and longevity. S&S Cycle's forged piston kit delivers the strength and precision engineered for high-performance applications, combining...09101995- SKU:
- 09101995
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE - OVERSIZE:
- +0,030'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.655'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.030'
MSRP: $410.95Now: $369.86Was: $410.95 -
On Sale
S&S CYCLE Piston Kit 920-0026
S&S CYCLE
MSRP: $169.95Now: $152.96Was: $169.95If you're running an 883cc or 1200cc Big Twin and want measurable power gains without a complete engine rebuild, a displacement bump to 1250cc delivers real results. The S&S CYCLE 920-0026 piston kit gets you there with a straightforward bore upgrade,...09104522- SKU:
- 09104522
- Availability:
- Ships Same Business Day
- Weight:
- 2.46 LBS
- DISPLACEMENT:
- 80'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- BORE - OVERSIZE:
- +0,010'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $169.95Now: $152.96Was: $169.95 -
On Sale
Wiseco Piston Kit with Gaskets for Harley-Davidson Road Glide 1999-2009 VT2797
WISECO
MSRP: $746.95Now: $582.00Was: $746.95A top-end rebuild demands precision components that can withstand sustained high RPM operation and thermal stress. The Wiseco Piston Kit for your Road Glide delivers a complete, engineered solution with forged pistons and matched ring sets—eliminating...09031170- SKU:
- 09031170
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 4-3/4'
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.927'
- DISPLACEMENT:
- 1596 CC
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
MSRP: $746.95Now: $582.00Was: $746.95 -
On Sale
Wiseco Piston Kit 110ci 2011-2013 Harley-Davidson Blackline FXS K1757
WISECO
MSRP: $489.95Now: $370.00Was: $489.95If you're running a 110ci Twin Cam and want pistons that deliver consistent performance without the risk of detonation failure, Wiseco's K1757 kit is built for the demands of serious riding. The forged construction with ArmorGlide™ coating reduces...09100838- SKU:
- 09100838
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 110'
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- 0.250'
- BORE SIZE IMPERIAL:
- 4.000'
- MODEL:
- X SERIES
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE - OVERSIZE:
- 0,250'
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $489.95Now: $370.00Was: $489.95Qty in Cart: 0Quantity:Price:MSRP: $489.95Now: $370.00Was: $489.95Subtotal: -
On Sale
Wiseco Piston Kit 1972-1985 Harley-Davidson Sportster 1000 XLH 10:1 Compression K1602
WISECO
MSRP: $378.95Now: $293.00Was: $378.95When you're rebuilding a classic Sportster top end, you need pistons engineered to handle the demands of modern riding while respecting the heritage of your machine. The Wiseco K1602 kit delivers the reliability and precision fit that separates a solid...K1602- SKU:
- K1602
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- BORE - OVERSIZE:
- +0,020'
- TYPE:
- TOP END
- DISPLACEMENT:
- 1006 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.208'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
MSRP: $378.95Now: $293.00Was: $378.95Qty in Cart: 0Quantity:Price:MSRP: $378.95Now: $293.00Was: $378.95Subtotal: -
On Sale
S&S CYCLE Piston Kit - 1250 XL 920-0070
S&S CYCLE
MSRP: $484.95Now: $436.46Was: $484.95If you're running a Big Twin and want legitimate displacement gains without a complete engine rebuild, the S&S Cycle 1250cc piston kit delivers a straightforward path to increased cubic inches and power. Moving from 883cc or 1200cc to 1250cc gives you...09103554- SKU:
- 09103554
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $484.95Now: $436.46Was: $484.95 -
On Sale
S&S CYCLE Piston Kit - 1250 XL 920-0071
S&S CYCLE
MSRP: $484.95Now: $436.46Was: $484.95If you're running an 883 or early 1200cc Big Twin and want genuine displacement gains without sacrificing reliability, the S&S Cycle 1250cc piston kit delivers a straightforward path to increased power and torque. These cast flat-topped pistons are...09103555- SKU:
- 09103555
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
MSRP: $484.95Now: $436.46Was: $484.95 -
On Sale
S&S CYCLE Piston Kit - Standard 106-3491A
S&S CYCLE
MSRP: $617.95Now: $556.16Was: $617.95Maintaining peak engine performance demands precision-engineered internal components that can withstand extreme combustion pressures and sustained RPM loads. The S&S Cycle Piston Kit delivers OEM-quality construction with proven reliability, ensuring...09103657- SKU:
- 09103657
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- BORE SIZE IMPERIAL:
- 4.125'
- DISPLACEMENT:
- 111'
- DISPLACEMENT:
- 124'
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 117'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- FORGED ALUMINUM
MSRP: $617.95Now: $556.16Was: $617.95 -
On Sale
S&S CYCLE Piston Kit - +.010 106-3872A
S&S CYCLE
MSRP: $617.95Now: $556.16Was: $617.95When your engine demands more power and reliability, a quality piston kit is non-negotiable. The S&S Cycle +.010 Piston Kit delivers the precision-engineered internals needed for forced-induction builds, big-bore upgrades, and high-RPM applications where...09103658- SKU:
- 09103658
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- BORE - OVERSIZE:
- +0,010'
- DISPLACEMENT:
- 117'
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 4.125'
- DISPLACEMENT:
- 111'
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED ALUMINUM
MSRP: $617.95Now: $556.16Was: $617.95 -
On Sale
S&S CYCLE Piston Kit - +.020 106-3964A
S&S CYCLE
MSRP: $617.95Now: $556.16Was: $617.95When you're rebuilding an engine or pushing your build to higher displacement, quality pistons are non-negotiable. This S&S Cycle piston kit delivers the precision and durability required for demanding applications, whether you're restoring a classic or...09103659- SKU:
- 09103659
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- PISTON MATERIAL:
- FORGED ALUMINUM
- BORE SIZE IMPERIAL:
- 4.125'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- DISPLACEMENT:
- 111'
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,020'
- DISPLACEMENT:
- 117'
MSRP: $617.95Now: $556.16Was: $617.95 -
On Sale
S&S CYCLE High Compression Piston Kit 920-0101
S&S CYCLE
MSRP: $514.95Now: $463.46Was: $514.95If you're serious about extracting maximum performance from your engine, this S&S Cycle High Compression Piston Kit delivers measurable power gains without compromising mid-range torque—a rare combination that keeps your engine responsive across the...09104524- SKU:
- 09104524
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
MSRP: $514.95Now: $463.46Was: $514.95 -
On Sale
S&S CYCLE High Compression Piston Kit 920-0100
S&S CYCLE
MSRP: $514.95Now: $463.46Was: $514.95If you're looking to unlock genuine performance gains without sacrificing low-end torque, the S&S Cycle High Compression Piston Kit delivers measurable horsepower increases through engineered compression geometry. This is a bolt-on upgrade that puts real...09104526- SKU:
- 09104526
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
MSRP: $514.95Now: $463.46Was: $514.95 -
On Sale
S&S CYCLE Piston Kit 106-3688
S&S CYCLE
MSRP: $514.95Now: $463.46Was: $514.95If you're running a Big Twin and want measurable power gains without a complete engine rebuild, this S&S piston kit delivers a straightforward path to 1250cc displacement. The 10.3:1 compression ratio strikes a practical balance between increased output...09104208- SKU:
- 09104208
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- STROKE LENGTH IMPERIAL:
- 4'
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- FORGED
- BORE SIZE IMPERIAL:
- 3.927'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 97'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- UNITS:
- KIT
MSRP: $514.95Now: $463.46Was: $514.95
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Piston and Ring Kits
- Compatibility: Match kits to your Harley's engine type (e.g., Big Twin, Twin Cam, Sportster, M8) and model (e.g., FLHR Road King 1984-1998, XLH1200 Sportster 1988-2003, FLST Heritage Softail 2006). Use the vehicle selector for year-specific fits, including bore oversizes (+0.005" to +0.188") and displacements (1200cc-1353cc) to ensure precise rebuilds without modifications.
- Type of Use: For high-performance or street builds, select forged kits with high compression (10.0:1-11.1:1) for power gains; standard rebuilds benefit from super-duty options with skirt coatings for quiet operation and durability in touring or daily riding.
- Components and Upgrades: Choose kits including pistons, rings, pins, clips, and sometimes gaskets; upgrade to ArmorGlide/ArmorFit coatings for reduced friction and zero clearance install. Focus on high-silicon aluminum alloys for strength and reliability.
- Brand and Quality: Opt for Wiseco for forged aluminum kits with advanced coatings and high compression, or KB Performance for super-duty pistons with skirt technology. Prioritize OEM-matching quality for long-lasting performance and precise fits.
- Installation and Cost: Kits are designed for DIY or professional top-end rebuilds with basic tools; prices range from $307 for standard kits to $659 for premium options with gaskets—factor in expert support and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and engines do these piston and ring kits support? Kits are compatible with Big Twin (e.g., Road King 1984-1998), Sportster (e.g., XLH1200 1988-2003), Twin Cam (e.g., Heritage Softail 2006), and M8 (e.g., Street Glide ST 2022-2023)—use the year/make/model filter for exact matches.
- How do forged pistons improve engine performance? Forged aluminum pistons (e.g., Wiseco) with high-silicon alloys and coatings reduce friction, enhance strength, and support higher compression for better power and efficiency in rebuilds.
- What is typically included in a kit? Most kits include pistons, rings, pins, spiral-lock clips, and sometimes gaskets (e.g., Wiseco VT2719); check details for oversize options and top-end components.
- Are these kits suitable for oversize bores? Yes, available in standard to +0.188" oversizes for bored engines, with compression ratios from 9.0:1 to 11.1:1 for custom builds.
- What if a kit doesn't fit my Harley? Verify bore size, displacement, and model before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore gaskets, cylinders/heads, bearings/seals, or full rebuild kits in the Harley engine category to complete your top-end refresh.
