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Harley Piston and Ring Kits

Harley Piston and Ring Kits

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

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 106-5521

    S&S CYCLE Piston Kit 106-5521

    S&S CYCLE

    $411.95
    Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Piston kits include set of pistons, rings, wristpins, and clips
    09101934
    SKU:
    09101934
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    BORE - OVERSIZE:
    +0,020'
    BORE SIZE IMPERIAL:
    3.520'
    DISPLACEMENT:
    80'
    STROKE LENGTH IMPERIAL:
    4-1/4'
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PISTON MATERIAL:
    FORGED
    TYPE:
    HIGH COMPRESSION
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    $411.95
    Qty in Cart: 0
    Quantity:
    Price:
    $411.95
    Subtotal:
  • S&S CYCLE Piston Kit 106-5522

    S&S CYCLE Piston Kit 106-5522

    S&S CYCLE

    $418.95
    Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Piston kits include set of pistons, rings, wristpins, and clips
    09101935
    SKU:
    09101935
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    BORE - OVERSIZE:
    +0,030'
    DISPLACEMENT:
    80'
    STROKE LENGTH IMPERIAL:
    4-1/4'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.530'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    TYPE:
    HIGH COMPRESSION
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    PISTON MATERIAL:
    FORGED
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    $418.95
    Qty in Cart: 0
    Quantity:
    Price:
    $418.95
    Subtotal:
  • S&S CYCLE Piston Kit 106-5554

    S&S CYCLE Piston Kit 106-5554

    S&S CYCLE

    $469.95
    Increase 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...
    09101936
    SKU:
    09101936
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    COMPRESSION RATIO IMPERIAL:
    9.25:1
    DISPLACEMENT:
    89'
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.500'
    STROKE LENGTH IMPERIAL:
    4-5/8'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    PISTON HEAD SHAPE:
    FLAT TOP
    $469.95
    Qty in Cart: 0
    Quantity:
    Price:
    $469.95
    Subtotal:
  • S&S CYCLE Piston Kit 106-5555

    S&S CYCLE Piston Kit 106-5555

    S&S CYCLE

    $469.95
    Increase 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...
    09101937
    SKU:
    09101937
    Availability:
    Ships Same Business Day
    Weight:
    2.40 LBS
    COMPRESSION RATIO IMPERIAL:
    9.25:1
    DISPLACEMENT:
    89'
    BORE - OVERSIZE:
    +0,010'
    PISTON MATERIAL:
    FORGED
    BORE SIZE IMPERIAL:
    3.500'
    PISTON HEAD SHAPE:
    FLAT TOP
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    RIDING STYLE:
    STREET
    TYPE:
    REPLACEMENT
    $469.95
    Qty in Cart: 0
    Quantity:
    Price:
    $469.95
    Subtotal:
  • S&S CYCLE Piston Kit 106-5556

    S&S CYCLE Piston Kit 106-5556

    S&S CYCLE

    $469.95
    Increase 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
    $469.95
    Qty in Cart: 0
    Quantity:
    Price:
    $469.95
    Subtotal:
  • S&S CYCLE Piston Kit 106-5793

    S&S CYCLE Piston Kit 106-5793

    S&S CYCLE

    $469.95
    Increase 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
    $469.95
    Qty in Cart: 0
    Quantity:
    Price:
    $469.95
    Subtotal:
  • S&S CYCLE Piston Kit 106-4414

    S&S CYCLE Piston Kit 106-4414

    S&S CYCLE

    $504.95
    Increase 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'
    $504.95
    Qty in Cart: 0
    Quantity:
    Price:
    $504.95
    Subtotal:
  • S&S CYCLE Piston Kit 106-4416

    S&S CYCLE Piston Kit 106-4416

    S&S CYCLE

    $499.95
    Increase 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
    $499.95
    Qty in Cart: 0
    Quantity:
    Price:
    $499.95
    Subtotal:
  • S&S CYCLE Piston Kit - Shovelhead 106-5535

    S&S CYCLE Piston Kit - Shovelhead 106-5535

    S&S CYCLE

    $418.95
    Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips
    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
    $418.95
    Qty in Cart: 0
    Quantity:
    Price:
    $418.95
    Subtotal:
  • S&S CYCLE Piston Kit - Shovelhead 106-5536

    S&S CYCLE Piston Kit - Shovelhead 106-5536

    S&S CYCLE

    $422.95
    Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips
    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'
    $422.95
    Qty in Cart: 0
    Quantity:
    Price:
    $422.95
    Subtotal:
  • S&S CYCLE Piston Kit - Shovelhead 106-5537

    S&S CYCLE Piston Kit - Shovelhead 106-5537

    S&S CYCLE

    $407.95
    Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips
    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
    $407.95
    Qty in Cart: 0
    Quantity:
    Price:
    $407.95
    Subtotal:
  • S&S CYCLE Piston Kit - Shovelhead 106-5538

    S&S CYCLE Piston Kit - Shovelhead 106-5538

    S&S CYCLE

    $422.95
    Forged pistons for superior strength, Modern alloys and piston skirt profiles for low noise and long engine life, Includes set of pistons, rings, wristpins, and clips
    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'
    $422.95
    Qty in Cart: 0
    Quantity:
    Price:
    $422.95
    Subtotal:
  • S&S CYCLE Piston Kit 920-0026

    S&S CYCLE Piston Kit 920-0026

    S&S CYCLE

    $164.95
    Increase 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
    $164.95
    Qty in Cart: 0
    Quantity:
    Price:
    $164.95
    Subtotal:
  • Wiseco Piston Kit 121" 4.135" Bore 2017-2021 Harley-Davidson FLHR K2806

    Wiseco Piston Kit 121" 4.135" Bore 2017-2021 Harley-Davidson FLHR K2806

    WISECO

    $524.95
    Elevate your engine's performance with the WISECO M8 121" Piston Kit, designed for optimal efficiency and power. Featuring advanced coating technologies and a high compression ratio, this piston kit ensures superior durability and enhanced combustion for...
    09031680
    SKU:
    09031680
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    SKIRT COATING:
    ARMORFITâ„¢
    DISPLACEMENT:
    121'
    STROKE LENGTH IMPERIAL:
    4-1/2'
    UNITS:
    KIT
    PISTON MATERIAL:
    ARMORXâ„¢
    BORE SIZE IMPERIAL:
    4.135'
    COMPRESSION RATIO IMPERIAL:
    11.3:1
    Qty in Cart: 0
    Quantity:
    Price:
    $524.95
    Subtotal:
  • Wiseco Piston Kit 107ci 11:1 Compression for Harley-Davidson 2017-2021 K2784

    Wiseco Piston Kit 107ci 11:1 Compression for Harley-Davidson 2017-2021 K2784

    WISECO

    $524.95
    Experience unparalleled performance with the WISECO Piston Kit M8 K2784, designed for riders who demand the best. Featuring advanced coatings and a high compression ratio, this piston kit enhances engine efficiency and power output, ensuring a smooth and...
    09031551
    SKU:
    09031551
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    BORE - OVERSIZE:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.937'
    DISPLACEMENT:
    1746 CC
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    SKIRT COATING:
    ARMORFITâ„¢
    STROKE LENGTH IMPERIAL:
    4-3/8'
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PISTON HEAD SHAPE:
    DOMED
    PISTON MATERIAL:
    ARMORXâ„¢
    Qty in Cart: 0
    Quantity:
    Price:
    $524.95
    Subtotal:
  • Wiseco Piston Kit with Gaskets for Harley-Davidson Road Glide 1999-2009 VT2797

    Wiseco Piston Kit with Gaskets for Harley-Davidson Road Glide 1999-2009 VT2797

    WISECO

    $684.95
    Experience 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
    Qty in Cart: 0
    Quantity:
    Price:
    $684.95
    Subtotal:
  • Wiseco Piston Kit 110ci 2011-2013 Harley-Davidson Blackline FXS K1757

    Wiseco Piston Kit 110ci 2011-2013 Harley-Davidson Blackline FXS K1757

    WISECO

    $434.95
    Experience 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
    Qty in Cart: 0
    Quantity:
    Price:
    $434.95
    Subtotal:
  • Wiseco Piston Kit Standard 1972-1985 XLH1000 K1600

    Wiseco Piston Kit Standard 1972-1985 XLH1000 K1600

    WISECO

    $344.95
    Upgrade your engine's performance with the WISECO Piston Kit, designed specifically for the 1972-1985 XL K1600. Crafted from a high-silicon aluminum alloy, this kit ensures exceptional strength and reliability, making it ideal for both overboring and...
    K1600
    SKU:
    K1600
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE SIZE IMPERIAL:
    3.188'
    STROKE LENGTH IMPERIAL:
    3-13/16'
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    UNITS:
    EACH
    DISPLACEMENT:
    1000 CC
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • Wiseco Piston Kit 1972-1985 XLH1000 K1601

    Wiseco Piston Kit 1972-1985 XLH1000 K1601

    WISECO

    $344.95
    Enhance your motorcycle's performance with the WISECO Piston Kit, expertly crafted from high-silicon aluminum alloy to ensure exceptional strength and reliability. This comprehensive kit includes everything you need for a successful top-end rebuild or...
    K1601
    SKU:
    K1601
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    BORE - OVERSIZE:
    +0,010'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    DISPLACEMENT:
    1003 CC
    PISTON MATERIAL:
    FORGED
    BORE SIZE IMPERIAL:
    3.198'
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    UNITS:
    EACH
    PISTON MATERIAL:
    ALUMINUM ALLOY
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • Wiseco Piston Kit 1972-1985 Harley-Davidson Sportster 1000 XLH 10:1 Compression K1602

    Wiseco Piston Kit 1972-1985 Harley-Davidson Sportster 1000 XLH 10:1 Compression K1602

    WISECO

    $344.95
    Enhance 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
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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