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KB PERFORMANCE

KB PERFORMANCE

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.030

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.030

    KB PERFORMANCE

    $287.95
    If you're building a high-performance Twin Cam 88 engine, piston quality directly impacts reliability and ring seal integrity. KB Performance pistons are diamond-machined to exacting tolerances—plus...
    09106091
    SKU:
    09106091
    Availability:
    Ships Same Business Day
    Weight:
    3.06 LBS
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    PISTON HEAD SHAPE:
    FLAT TOP
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    $287.95
    Qty in Cart: 0
    Quantity:
    Price:
    $287.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.STD

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.STD

    KB PERFORMANCE

    $295.95
    If you're building or rebuilding a Twin Cam 88 engine and demand maximum ring seal with minimal piston rock, KB Performance pistons deliver the precision tolerances and material science that separate...
    09106092
    SKU:
    09106092
    Availability:
    Ships Same Business Day
    Weight:
    3.21 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON KIT
    $295.95
    Qty in Cart: 0
    Quantity:
    Price:
    $295.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.005

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.005

    KB PERFORMANCE

    $281.29
    If you're building a high-revving Twin Cam 88 engine, piston quality directly impacts reliability, ring seal, and longevity under sustained load. KB Performance pistons are precision-engineered to...
    09106093
    SKU:
    09106093
    Availability:
    Ships Same Business Day
    Weight:
    3.26 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    Qty in Cart: 0
    Quantity:
    Price:
    $281.29
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.010

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.010

    KB PERFORMANCE

    $295.95
    If you're building a high-revving Twin Cam 88 engine that demands precision ring seal and minimal piston rock, KB Performance pistons are engineered to deliver exactly that. The diamond-machined...
    09106094
    SKU:
    09106094
    Availability:
    Ships Same Business Day
    Weight:
    3.26 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE IMPERIAL:
    3.750'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    Qty in Cart: 0
    Quantity:
    Price:
    $295.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.020

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.020

    KB PERFORMANCE

    $295.95
    If you're building or rebuilding a Twin Cam 88 engine and demand maximum ring seal, minimal piston rock, and extended component life, KB Performance pistons are engineered to deliver. Their tight...
    09106095
    SKU:
    09106095
    Availability:
    Ships Same Business Day
    Weight:
    3.26 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    Qty in Cart: 0
    Quantity:
    Price:
    $295.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - Standard - M8 KB542LCA.STD

    KB PERFORMANCE Piston Kit - Standard - M8 KB542LCA.STD

    KB PERFORMANCE

    $427.95
    If you're pushing your M8 to the edge, factory pistons won't cut it. The KB PERFORMANCE Super Duty Series delivers the durability and precision clearances you need for sustained high-RPM operation,...
    09105724
    SKU:
    09105724
    Availability:
    Ships Same Business Day
    Weight:
    2.96 LBS
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    STROKE LENGTH IMPERIAL:
    4-1/2'
    UNITS:
    KIT
    DISPLACEMENT:
    117'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE METRIC:
    104.77 MM
    PISTON MATERIAL:
    ALUMINUM
    Qty in Cart: 0
    Quantity:
    Price:
    $427.95
    Subtotal:
  • KB PERFORMANCE PISTON KIT M8 117" +020 KB542LCA.020

    KB PERFORMANCE PISTON KIT M8 117" +020 KB542LCA.020

    KB PERFORMANCE

    $427.95
    If you're pushing your M8 to the 117" displacement sweet spot, you need pistons engineered for high-RPM reliability and consistent ring sealing under boost. The KB Performance Super Duty Series...
    09105726
    SKU:
    09105726
    Availability:
    Ships Same Business Day
    Weight:
    2.91 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-1/2'
    BORE SIZE METRIC:
    104.77 MM
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    DISPLACEMENT:
    117'
    PISTON MATERIAL:
    ALUMINUM
    UNITS:
    KIT
    $427.95
    Qty in Cart: 0
    Quantity:
    Price:
    $427.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - 124" - Standard - M8 KB576LCA.STD KB PERFORMANCE Piston Kit - 124" - Standard - M8 KB576LCA.STD

    KB PERFORMANCE Piston Kit - 124" - Standard - M8 KB576LCA.STD

    KB PERFORMANCE

    $446.95
    If you're building or rebuilding a 124-cubic-inch M8 engine, piston selection is non-negotiable—the wrong choice will cost you reliability, power, and consistency. KB Performance pistons are...
    09106177
    SKU:
    09106177
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    BORE SIZE IMPERIAL:
    4.250'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    124'
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - 124" - +.005" - M8 KB576LCA.005

    KB PERFORMANCE Piston Kit - 124" - +.005" - M8 KB576LCA.005

    KB PERFORMANCE

    $446.95
    If you're building or rebuilding a big-inch M8 engine, piston quality directly impacts reliability, ring seal, and power output. KB Performance pistons are engineered to exacting tolerances with...
    09106178
    SKU:
    09106178
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    124'
    BORE - OVERSIZE:
    +0,005'
    UNITS:
    KIT
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • KB PERFORMANCE Piston Kit KB258.STD

    KB PERFORMANCE Piston Kit KB258.STD

    KB PERFORMANCE

    $222.43
    If you're building a high-performance engine that demands precision and reliability, KB Performance pistons deliver the tight tolerances and superior ring seal that separate competitive engines from...
    09102016
    SKU:
    09102016
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    8.6:1
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $222.43
    Subtotal:
  • KB PERFORMANCE Piston Kit KB258.030

    KB PERFORMANCE Piston Kit KB258.030

    KB PERFORMANCE

    $233.95
    If you're building or rebuilding an engine that demands precision and longevity, KB Performance pistons deliver the tight tolerances and superior ring seal that separate a reliable build from a...
    09102017
    SKU:
    09102017
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    COMPRESSION RATIO IMPERIAL:
    8.6:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.498'
    Qty in Cart: 0
    Quantity:
    Price:
    $233.95
    Subtotal:
  • KB PERFORMANCE Piston Kit KB305.040

    KB PERFORMANCE Piston Kit KB305.040

    KB PERFORMANCE

    $246.95
    If you're serious about maximizing engine performance and longevity, piston quality is non-negotiable. The KB PERFORMANCE Piston Kit KB305.040 delivers the tight tolerances and precision engineering...
    09102019
    SKU:
    09102019
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    9.6:1
    BORE OVERSIZE - IMPERIAL:
    +0.040'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    $246.95
    Qty in Cart: 0
    Quantity:
    Price:
    $246.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam KB409C.STD

    KB PERFORMANCE Piston Kit - Twin Cam KB409C.STD

    KB PERFORMANCE

    $236.95
    If you're building or rebuilding a Twin Cam engine, piston quality directly impacts reliability, power delivery, and ring seal—and that's where KB Performance separates itself from the field. The...
    09100915
    SKU:
    09100915
    Availability:
    Ships Same Business Day
    Weight:
    2.60 LBS
    BORE SIZE IMPERIAL:
    3.875'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    $236.95
    Qty in Cart: 0
    Quantity:
    Price:
    $236.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam KB409C.010

    KB PERFORMANCE Piston Kit - Twin Cam KB409C.010

    KB PERFORMANCE

    $236.95
    If you're building a high-performance engine that demands precision and durability, KB Performance pistons deliver the tight tolerances and superior ring seal that separate competitive engines from...
    09100917
    SKU:
    09100917
    Availability:
    Ships Same Business Day
    Weight:
    2.66 LBS
    BORE SIZE IMPERIAL:
    3.875'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    UNITS:
    KIT
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    $236.95
    Qty in Cart: 0
    Quantity:
    Price:
    $236.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit KB922C.STD

    KB PERFORMANCE Forged Piston Kit KB922C.STD

    KB PERFORMANCE

    $285.57
    KB Performance forged pistons deliver the strength and precision your engine demands when boost levels climb or RPM targets exceed stock capabilities. The 4032 aluminum alloy construction resists...
    09100930
    SKU:
    09100930
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.498'
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    BORE - OVERSIZE:
    STANDARD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $285.57
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB906C.STD

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB906C.STD

    KB PERFORMANCE

    $322.95
    If you're rebuilding a Twin Cam engine or pushing beyond stock power levels, piston quality directly impacts reliability, longevity, and combustion efficiency. The KB PERFORMANCE Forged Piston Kit...
    09100935
    SKU:
    09100935
    Availability:
    Ships Same Business Day
    Weight:
    2.41 LBS
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB909C.STD

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB909C.STD

    KB PERFORMANCE

    $322.95
    If you're rebuilding a Twin Cam engine or pushing higher compression ratios, quality pistons are non-negotiable—they're the foundation of reliability under load. KB Performance's forged 4032 aluminum...
    09100939
    SKU:
    09100939
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Super-Duty Piston KB909LCA.STD

    KB PERFORMANCE Super-Duty Piston KB909LCA.STD

    KB PERFORMANCE

    $410.95
    Piston rock and ring flutter are silent killers of engine efficiency and longevity—they compromise seal integrity, waste power, and introduce unwanted noise. The KB PERFORMANCE Super-Duty Piston...
    09105044
    SKU:
    09105044
    Availability:
    Ships Same Business Day
    Weight:
    2.60 LBS
    PISTON MATERIAL:
    ALUMINUM
    UNITS:
    KIT
    DISPLACEMENT:
    103'
    RIDING STYLE:
    STREET
    BORE SIZE METRIC:
    98.40 MM
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    Qty in Cart: 0
    Quantity:
    Price:
    $410.95
    Subtotal:
  • KB PERFORMANCE Super-Duty Piston KB661LCA.STD

    KB PERFORMANCE Super-Duty Piston KB661LCA.STD

    KB PERFORMANCE

    $442.95
    Piston rock and ring blow-by are silent killers of engine performance and longevity. The KB PERFORMANCE Super-Duty Piston KB661LCA.STD eliminates both through advanced skirt coating technology that...
    09105047
    SKU:
    09105047
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-3/8'
    BORE SIZE METRIC:
    101.60 MM
    DISPLACEMENT:
    110'
    PISTON MATERIAL:
    ALUMINUM
    UNITS:
    KIT
    $442.95
    Qty in Cart: 0
    Quantity:
    Price:
    $442.95
    Subtotal:
  • KB PERFORMANCE Super-Duty Piston KB662LCA.STD

    KB PERFORMANCE Super-Duty Piston KB662LCA.STD

    KB PERFORMANCE

    $410.95
    The KB PERFORMANCE Super-Duty Piston KB662LCA.STD eliminates common failure points that compromise ring seal and engine longevity. Its proprietary skirt coating technology self-hones to perfect...
    09105049
    SKU:
    09105049
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    DISPLACEMENT:
    117'
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    UNITS:
    KIT
    BORE SIZE METRIC:
    104.80 MM
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    $410.95
    Qty in Cart: 0
    Quantity:
    Price:
    $410.95
    Subtotal:
  • KB PERFORMANCE Piston - Evolution KB920C.010

    KB PERFORMANCE Piston - Evolution KB920C.010

    KB PERFORMANCE

    $299.95
    A piston's job is simple: survive extreme combustion pressures while maintaining precision fit and minimal friction. The KB PERFORMANCE Evolution KB920C.010 delivers this through forged 4032 aluminum...
    09105056
    SKU:
    09105056
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    COMPRESSION RATIO IMPERIAL:
    9.5:1
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    +0,010'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.498'
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    $299.95
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • KB PERFORMANCE Piston - Evolution KB921C.005

    KB PERFORMANCE Piston - Evolution KB921C.005

    KB PERFORMANCE

    $299.95
    KB Performance's Evolution KB921C.005 pistons deliver the reliability and precision required for sustained high-RPM operation. Built from 4032 aluminum alloy and featuring an offset pin design, these...
    09105058
    SKU:
    09105058
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    BORE - OVERSIZE:
    +0,005'
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    BORE SIZE IMPERIAL:
    3.498'
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    RIDING STYLE:
    STREET
    $299.95
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB660C.STD

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB660C.STD

    KB PERFORMANCE

    $322.95
    If you're running a twin-cam engine at the limit, stock pistons won't cut it. The KB PERFORMANCE Forged Piston Kit delivers the durability and precision you need for serious boost, high RPM, and...
    09103970
    SKU:
    09103970
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB662C.STD

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB662C.STD

    KB PERFORMANCE

    $322.95
    When your engine demands precision and reliability at high RPM, factory pistons simply won't cut it. The KB PERFORMANCE Forged Piston Kit delivers the strength and consistency you need for...
    09103976
    SKU:
    09103976
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    4.125'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB660C.005

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB660C.005

    KB PERFORMANCE

    $322.95
    If you're rebuilding a Twin Cam engine or pushing past stock performance limits, piston quality directly impacts reliability, longevity, and power output. KB Performance's forged 4032 aluminum...
    09103971
    SKU:
    09103971
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.875'
    BORE - OVERSIZE:
    +0,005'
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Super-Duty Piston KB660LCA.STD

    KB PERFORMANCE Super-Duty Piston KB660LCA.STD

    KB PERFORMANCE

    $410.95
    Piston rock and ring flutter cost you horsepower and durability. The KB PERFORMANCE Super-Duty Piston KB660LCA.STD eliminates both through a proprietary skirt coating that self-hones to perfect...
    09105045
    SKU:
    09105045
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    UNITS:
    KIT
    BORE SIZE METRIC:
    98.40 MM
    DISPLACEMENT:
    103'
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    Qty in Cart: 0
    Quantity:
    Price:
    $410.95
    Subtotal:
  • KB PERFORMANCE Super-Duty Piston KB662LCA.010

    KB PERFORMANCE Super-Duty Piston KB662LCA.010

    KB PERFORMANCE

    $390.86
    Piston rock and ring flutter are silent killers of engine efficiency and longevity. The KB PERFORMANCE Super-Duty Piston KB662LCA.010 eliminates both through an innovative skirt coating that...
    09105050
    SKU:
    09105050
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    BORE SIZE METRIC:
    104.80 MM
    DISPLACEMENT:
    117'
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    $390.86
    Qty in Cart: 0
    Quantity:
    Price:
    $390.86
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.010

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.010

    KB PERFORMANCE

    $322.95
    If you're rebuilding a Twin Cam engine or pushing higher boost levels, piston durability directly impacts reliability and longevity. KB Performance's forged 4032 aluminum construction handles...
    09103975
    SKU:
    09103975
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE - OVERSIZE:
    +0,010'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE IMPERIAL:
    4.010'
    RIDING STYLE:
    STREET
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • SBC Dished Piston Set 4.030 Bore -12cc KBPKB193.030

    SBC Dished Piston Set 4.030 Bore -12cc KB193.030

    KB PERFORMANCE

    $396.97
    If you're building a high-compression Small Block Chevy engine and need reliable pistons that deliver consistent performance without breaking the bank, the KB193.030 dished piston set is a proven...
    KBPKB193.030
    SKU:
    KBPKB193.030
    Availability:
    Ships Same Business Day
    Weight:
    13.06 LBS
    MFG Part #:
    KB193.030
    $396.97
    Qty in Cart: 0
    Quantity:
    Price:
    $396.97
    Subtotal:
  • SBC Domed Piston Set 4.040 Bore +5cc KBPKB157.040

    SBC Domed Piston Set 4.040 Bore +5cc KB157.040

    KB PERFORMANCE

    $443.41
    If you're building or rebuilding an SBC with precision in mind, a quality piston set is non-negotiable. These KB Series domed pistons deliver the compression ratio control and durability you need for...
    KBPKB157.040
    SKU:
    KBPKB157.040
    Availability:
    Ships Same Business Day
    Weight:
    14.39 LBS
    MFG Part #:
    KB157.040
    Qty in Cart: 0
    Quantity:
    Price:
    $443.41
    Subtotal:
  • SBC Domed Piston Set 4.030 Bore +5cc KBPKB157.030

    SBC Domed Piston Set 4.030 Bore +5cc KB157.030

    KB PERFORMANCE

    $443.41
    If you're building or rebuilding a Small Block Chevy with tight tolerances and high compression demands, the KB157.030 domed piston set delivers the combustion chamber volume you need without...
    KBPKB157.030
    SKU:
    KBPKB157.030
    Availability:
    Ships Same Business Day
    Weight:
    14.27 LBS
    MFG Part #:
    KB157.030
    Qty in Cart: 0
    Quantity:
    Price:
    $443.41
    Subtotal:
  • SBC F/T Piston Set 4.060 Bore -7cc KBPKB156.060

    SBC F/T Piston Set 4.060 Bore -7cc KB156.060

    KB PERFORMANCE

    $433.63
    If you're building a high-compression Small Block Chevy engine, piston selection directly impacts your compression ratio, combustion efficiency, and overall power output. The KB156.060 F/T piston set...
    KBPKB156.060
    SKU:
    KBPKB156.060
    Availability:
    Ships Same Business Day
    Weight:
    14.20 LBS
    MFG Part #:
    KB156.060
    Qty in Cart: 0
    Quantity:
    Price:
    $433.63
    Subtotal:
  • SBC Flat Top Piston Set 4.040 Bore -7cc KBPKB156.040

    SBC Flat Top Piston Set 4.040 Bore -7cc KB156.040

    KB PERFORMANCE

    $433.63
    If you're building a high-compression small block Chevy that demands reliability under sustained load, you need pistons engineered for real-world durability—not marketing promises. The KB156.040...
    KBPKB156.040
    SKU:
    KBPKB156.040
    Availability:
    Ships Same Business Day
    Weight:
    13.84 LBS
    MFG Part #:
    KB156.040
    $433.63
    Qty in Cart: 0
    Quantity:
    Price:
    $433.63
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -7cc KBPKB156.030

    SBC Flat Top Piston Set 4.030 Bore -7cc KB156.030

    KB PERFORMANCE

    $433.63
    Building a high-compression Small Block Chevy engine demands pistons that can handle sustained boost and cylinder pressures without sacrificing reliability. The KB156.030 flat-top design delivers the...
    KBPKB156.030
    SKU:
    KBPKB156.030
    Availability:
    Ships Same Business Day
    Weight:
    13.79 LBS
    MFG Part #:
    KB156.030
    $433.63
    Qty in Cart: 0
    Quantity:
    Price:
    $433.63
    Subtotal:
  • SBC Dished Piston Set 4.155 Bore -18cc KBPKB147.030

    SBC Dished Piston Set 4.155 Bore -18cc KB147.030

    KB PERFORMANCE

    $468.42
    If you're building a high-compression Small Block Chevy engine or need to dial in specific combustion chamber volumes, these dished pistons deliver the compression ratio control and durability you...
    KBPKB147.030
    SKU:
    KBPKB147.030
    Availability:
    Ships Same Business Day
    Weight:
    13.56 LBS
    MFG Part #:
    KB147.030
    Qty in Cart: 0
    Quantity:
    Price:
    $468.42
    Subtotal:
  • SBC Flat Top Piston Set 4.040 Bore -7cc KBPKB134.040

    SBC Flat Top Piston Set 4.040 Bore -7cc KB134.040

    KB PERFORMANCE

    $409.48
    If you're building or refreshing a Small Block Chevy engine, piston selection directly impacts compression ratio, combustion efficiency, and overall reliability. The KB134.040 delivers the precision...
    KBPKB134.040
    SKU:
    KBPKB134.040
    Availability:
    Ships Same Business Day
    Weight:
    11.85 LBS
    MFG Part #:
    KB134.040
    $409.48
    Qty in Cart: 0
    Quantity:
    Price:
    $409.48
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -7cc KBPKB134.030

    SBC Flat Top Piston Set 4.030 Bore -7cc KB134.030

    KB PERFORMANCE

    $409.48
    If you're building or rebuilding a Small Block Chevy that demands reliable power delivery and precise compression control, a quality piston set is non-negotiable. The KB134.030 delivers hypereutectic...
    KBPKB134.030
    SKU:
    KBPKB134.030
    Availability:
    Ships Same Business Day
    Weight:
    11.81 LBS
    MFG Part #:
    KB134.030
    $409.48
    Qty in Cart: 0
    Quantity:
    Price:
    $409.48
    Subtotal:
  • SBC Flat Top Piston Set 4.040 Bore -7cc KBPKB122.040

    SBC Flat Top Piston Set 4.040 Bore -7cc KB122.040

    KB PERFORMANCE

    $407.95
    If you're building a high-compression Small Block Chevy engine and need to dial in exact displacement and compression ratios, these KB flat-top pistons deliver the precision you're after. The...
    KBPKB122.040
    SKU:
    KBPKB122.040
    Availability:
    Ships Same Business Day
    Weight:
    11.37 LBS
    MFG Part #:
    KB122.040
    $407.95
    Qty in Cart: 0
    Quantity:
    Price:
    $407.95
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -7cc KBPKB122.030

    SBC Flat Top Piston Set 4.030 Bore -7cc KB122.030

    KB PERFORMANCE

    $407.95
    If you're building a high-compression small block Chevy engine, compression ratio is everything—and these flat top pistons deliver the geometry you need for serious horsepower gains. The -7cc dish...
    KBPKB122.030
    SKU:
    KBPKB122.030
    Availability:
    Ships Same Business Day
    Weight:
    11.35 LBS
    MFG Part #:
    KB122.030
    $407.95
    Qty in Cart: 0
    Quantity:
    Price:
    $407.95
    Subtotal:
  • SBC Flat Top Piston Set 4.060 Bore -7cc KBPKB120.060

    SBC Flat Top Piston Set 4.060 Bore -7cc KB120.060

    KB PERFORMANCE

    $396.97
    Building a high-compression small block that demands precision and reliability? The SBC Flat Top Piston Set delivers the compression ratio consistency you need for serious performance applications,...
    KBPKB120.060
    SKU:
    KBPKB120.060
    Availability:
    Ships Same Business Day
    Weight:
    13.93 LBS
    MFG Part #:
    KB120.060
    $396.97
    Qty in Cart: 0
    Quantity:
    Price:
    $396.97
    Subtotal:
  • Total: items /

Adding your products to cart

About KB Performance

KB Performance has been a significant player in the motorcycle industry since the early 1980s, dedicated to enhancing engine performance and reliability for motorcycle enthusiasts. Known for their commitment to quality and innovation, they have established themselves as a trusted brand among riders looking to optimize their machines. Over the years, KB Performance has earned a reputation for delivering top-notch products that stand up to the demands of both casual and competitive riding.

 

Specializing in high-performance pistons and engine components, KB Performance offers a variety of products designed to boost engine efficiency and output. Their pistons are particularly popular for their durability and precision engineering, making them a top choice for those seeking to upgrade their motorcycle's performance. Additionally, their product lineup includes rings and kits that are crafted to withstand high temperatures and pressures, ensuring optimal engine operation. These components are favored by riders who demand reliability and power from their machines.

 

KB Performance's products provide substantial benefits by enhancing engine power, efficiency, and longevity. By using their high-quality pistons, customers can experience smoother engine performance and increased horsepower, which is crucial for both competitive racing and everyday riding. The durability of their components also means fewer replacements, saving time and money in the long run. Whether you're a professional racer or a motorcycle enthusiast looking to get more out of your ride, KB Performance offers the reliable solutions needed to keep your engine running at its best.

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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