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 106-3690
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...09104209- SKU:
- 09104209
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- BORE SIZE IMPERIAL:
- 3.927'
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 106'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- UNITS:
- KIT
$514.95 -
S&S CYCLE High Compression Piston Kit 920-0114
S&S CYCLE
$521.95Significantly increase performance, Provides more horsepower without sacrificing torque, 10.6:1 compression ratio, Simple EFI tuning with three calibration downloads for Dynojet® Power Vision® tuner09103979- SKU:
- 09103979
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 110'
- PISTON HEAD SHAPE:
- RAISED DOME
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.6:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.000'
- TYPE:
- HIGH COMPRESSION
$521.95 -
S&S CYCLE Piston Kit 920-0027
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...09105260- SKU:
- 09105260
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,020'
- DISPLACEMENT:
- 80'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON MATERIAL:
- CAST
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- UNITS:
- KIT
$169.95 -
S&S CYCLE Piston Kit 920-0015
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...09105261- SKU:
- 09105261
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- DISPLACEMENT:
- 80'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE OVERSIZE - IMPERIAL:
- STANDARD
$169.95 -
S&S CYCLE Wrist Pin Circlips - 4 pack 106-2304
S&S CYCLE
$7.95For use with .927" wristpins09105262- SKU:
- 09105262
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- CIRCLIP
- UNITS:
- 4 PACK
- RIDING STYLE:
- STREET
$7.95 -
S&S CYCLE Piston Kit 106-0432
S&S CYCLE
$481.95Increase 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...09105020- SKU:
- 09105020
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 103'
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$481.95 -
S&S CYCLE Piston Kit 92-1211
S&S CYCLE
$546.95These forged 3-7/8" bore stroker pistons for 1999-'16 HD® Big Twin are required for the S&S 106" stock bore stroker kit with 4-1/2" stroke flywheels, They are compatible with stock or S&S® Super Stock® cylinder heads, Stock 88" cylinders may be bored...20012911- SKU:
- 20012911
- Availability:
- Ships Same Business Day
- Weight:
- 3.02 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.875'
- DISPLACEMENT:
- 106'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
- PISTON MATERIAL:
- FORGED ALUMINUM
- UNITS:
- KIT
- STROKE LENGTH IMPERIAL:
- 4-1/2'
$546.95 -
S&S CYCLE Piston Kit 92-1212
S&S CYCLE
$546.95These forged 3-7/8" bore stroker pistons for 1999-'16 HD® Big Twin are required for the S&S 106" stock bore stroker kit with 4-1/2" stroke flywheels, They are compatible with stock or S&S® Super Stock® cylinder heads, Stock 88" cylinders may be bored...20012912- SKU:
- 20012912
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- BORE - OVERSIZE:
- +0,020'
- PISTON MATERIAL:
- FORGED ALUMINUM
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.875'
- DISPLACEMENT:
- 106'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
$546.95 -
S&S CYCLE Replacement Pistons with Rings 92-2027
S&S CYCLE
$469.95S&S heads give great performance, and work with additional upgrades, Kits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift), Intake manifold, pistons and gasket kits are sold separately; gasket kits contain...09100007- SKU:
- 09100007
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
$469.95 -
S&S CYCLE Replacement Pistons with Rings 92-2028
S&S CYCLE
$479.95S&S heads give great performance, and work with additional upgrades, Kits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift), Intake manifold, pistons and gasket kits are sold separately; gasket kits contain...09100008- SKU:
- 09100008
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- BORE - OVERSIZE:
- +0,020'
- BORE SIZE IMPERIAL:
- 3.500'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
$479.95 -
S&S CYCLE Piston Kit 92-2016
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...09100009- SKU:
- 09100009
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.2:1
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- TYPE:
- HIGH COMPRESSION
$484.95 -
S&S CYCLE Piston Kit 92-2017
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...09100011- SKU:
- 09100011
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- TYPE:
- HIGH COMPRESSION
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.500'
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,010'
- COMPRESSION RATIO IMPERIAL:
- 12.2:1
$484.95 -
S&S CYCLE Replacement Pistons with Rings 92-2026
S&S CYCLE
$484.95S&S heads give great performance, and work with additional upgrades, Kits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift), Intake manifold, pistons and gasket kits are sold separately; gasket kits contain...09100005- SKU:
- 09100005
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON HEAD SHAPE:
- DOMED
- BORE SIZE IMPERIAL:
- 3.500'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$484.95 -
S&S CYCLE Replacement Pistons with Rings 92-20265
S&S CYCLE
$469.95S&S heads give great performance, and work with additional upgrades, Kits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift), Intake manifold, pistons and gasket kits are sold separately; gasket kits contain...09100006- SKU:
- 09100006
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.500'
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,005'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON HEAD SHAPE:
- DOMED
$469.95 -
REVOLUTION PERFORMANCE, LLC Piston Kit RP301-116WD
REVOLUTION PERFORMANCE, LLC
$495.95Top-quality custom-forged piston kits manufactured with high-strength aluminum alloy, Include pistons with skirt coating, rings, chrome piston pins and retainer clips, High-tech manufacturing ensures greater operating strength and lower expansion at high...09106373- SKU:
- 09106373
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- BORE SIZE IMPERIAL:
- 3.937'
- DISPLACEMENT:
- 107'
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COMPRESSION RATIO IMPERIAL:
- 10.6:1
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- PISTON HEAD SHAPE:
- DOMED
$495.95Qty in Cart: 0Quantity:Price:$495.95Subtotal: -
KB PERFORMANCE Piston Kit KB266.040.3
KB PERFORMANCE
$234.43Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005")...DS751252- SKU:
- DS751252
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.498'
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- RIDING STYLE:
- STREET
$234.43Qty in Cart: 0Quantity:Price:$234.43Subtotal: -
KB PERFORMANCE Super-Duty Piston KB661LCA.010
KB PERFORMANCE
$390.86New skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install clearance; coating then abrades in on start-up to hone for the perfect fit per cylinder, Skirt coating eliminates piston rock for the best...09105048- SKU:
- 09105048
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- BORE SIZE METRIC:
- 101.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- DISPLACEMENT:
- 110'
- RIDING STYLE:
- STREET
$390.86Qty in Cart: 0Quantity:Price:$390.86Subtotal: -
KB PERFORMANCE Piston - Evolution KB920C.020
KB PERFORMANCE
$285.57Pistons forged from 4032 aluminum alloy, Offset pin design for quiet operation, New superior coated skirts, Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings09105057- SKU:
- 09105057
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,020'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE SIZE IMPERIAL:
- 3.498'
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
$285.57Qty in Cart: 0Quantity:Price:$285.57Subtotal: -
KB PERFORMANCE Piston - Evolution KB921C.010
KB PERFORMANCE
$285.57Pistons forged from 4032 aluminum alloy, Offset pin design for quiet operation, New superior coated skirts, Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings09105059- SKU:
- 09105059
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- PRODUCT NAME:
- PISTON KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.498'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- BORE - OVERSIZE:
- +0,010'
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
$285.57Qty in Cart: 0Quantity:Price:$285.57Subtotal: -
Wiseco Piston Kit 1999-2006 Harley-Davidson Road King FLHR VT2721
WISECO
$659.95Engineered for performance and reliability, the WISECO Piston Kit is crafted from high-silicon aluminum alloy, ensuring durability and strength. This comprehensive kit includes everything you need for a successful top-end rebuild or overbore, making it...09030793- SKU:
- 09030793
- Availability:
- Ships Same Business Day
- Weight:
- 4.01 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- DISPLACEMENT:
- 1554 CC
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- +0,010'
- STROKE LENGTH IMPERIAL:
- 4'
$659.95Qty in Cart: 0Quantity:Price:$659.95Subtotal: