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
-
S&S CYCLE Piston Kit 106-5556
S&S CYCLE
$484.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...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
$484.95 -
S&S CYCLE Piston Kit 106-5793
S&S CYCLE
$484.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...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
$484.95 -
S&S CYCLE Piston Kit 106-4414
S&S CYCLE
$514.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...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'
$514.95 -
S&S CYCLE Piston Kit 106-4416
S&S CYCLE
$514.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...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
$514.95 -
S&S CYCLE Piston Kit - Shovelhead 106-5535
S&S CYCLE
$410.95Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips09101992- 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
$410.95 -
S&S CYCLE Piston Kit - Shovelhead 106-5536
S&S CYCLE
$410.95Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips09101993- 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'
$410.95Qty in Cart: 0Quantity:Price:$410.95Subtotal: -
S&S CYCLE Piston Kit - Shovelhead 106-5537
S&S CYCLE
$410.95Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips09101994- 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
$410.95 -
S&S CYCLE Piston Kit - Shovelhead 106-5538
S&S CYCLE
$410.95Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips09101995- 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'
$410.95 -
S&S CYCLE Piston Kit 920-0026
S&S CYCLE
$169.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...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
$169.95 -
Wiseco Piston Kit with Gaskets for Harley-Davidson Road Glide 1999-2009 VT2797
WISECO
$684.95Experience unmatched performance with the WISECO Piston Kit, expertly crafted from high-silicon aluminum alloy for exceptional strength and reliability. This comprehensive kit includes everything you need for an efficient top-end rebuild or overbore,...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
$684.95 -
Wiseco Piston Kit 110ci 2011-2013 Harley-Davidson Blackline FXS K1757
WISECO
$434.95Experience unparalleled performance with the WISECO Piston Kit K1757, engineered for durability and efficiency. This kit features advanced manufacturing techniques that minimize thermal expansion and enhance strength, ensuring optimal engine performance...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
$434.95 -
Wiseco Piston Kit 1972-1985 Harley-Davidson Sportster 1000 XLH 10:1 Compression K1602
WISECO
$344.95Enhance your engine's performance with the WISECO Piston Kit, engineered from high-silicon aluminum alloy to ensure exceptional strength and reliability. This comprehensive kit includes everything you need for a successful overbore or top-end rebuild,...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
$344.95 -
S&S CYCLE Piston Kit - 1250 XL 920-0070
S&S CYCLE
$484.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...09103554- SKU:
- 09103554
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$484.95 -
S&S CYCLE Piston Kit - 1250 XL 920-0071
S&S CYCLE
$484.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...09103555- SKU:
- 09103555
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$484.95 -
S&S CYCLE Piston Kit - Standard 106-3491A
S&S CYCLE
$617.95Piston kits include set of pistons, rings, wristpins, and clips09103657- 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
$617.95 -
S&S CYCLE Piston Kit - +.010 106-3872A
S&S CYCLE
$617.95Piston kits include set of pistons, rings, wristpins, and clips09103658- 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
$617.95 -
S&S CYCLE Piston Kit - +.020 106-3964A
S&S CYCLE
$617.95Piston kits include set of pistons, rings, wristpins, and clips09103659- 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'
$617.95 -
S&S CYCLE High Compression Piston Kit 920-0101
S&S CYCLE
$514.95Significantly increase performance, Provides more horsepower without sacrificing torque, 10.6:1 compression ratio, Simple EFI tuning with three calibration downloads for Dynojet® Power Vision® tuner09104524- SKU:
- 09104524
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
$514.95 -
S&S CYCLE High Compression Piston Kit 920-0100
S&S CYCLE
$514.95Significantly increase performance, Provides more horsepower without sacrificing torque, 10.6:1 compression ratio, Simple EFI tuning with three calibration downloads for Dynojet® Power Vision® tuner09104526- SKU:
- 09104526
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
$514.95 -
S&S CYCLE Piston Kit 106-3688
S&S CYCLE
$514.95Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement Heads, May be used with stock 1200cc cylinder...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
$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.
