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...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...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: $484.95Qty in Cart: 0Quantity:Price:MSRP: $484.95Now: $436.46Was: $484.95Subtotal: -
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...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...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...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...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...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...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...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...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...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: $489.95 -
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...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...09103554- SKU:
- 09103554
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $484.95Now: $436.46Was: $484.95Qty in Cart: 0Quantity:Price:MSRP: $484.95Now: $436.46Was: $484.95Subtotal: -
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...09103555- SKU:
- 09103555
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
MSRP: $484.95Now: $436.46Was: $484.95Qty in Cart: 0Quantity:Price:MSRP: $484.95Now: $436.46Was: $484.95Subtotal: -
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...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...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...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...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...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...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.
