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KB PERFORMANCE

KB PERFORMANCE

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • SBC Flat Top Piston Set 4.040 Bore -7cc KBPKB120.040

    SBC Flat Top Piston Set 4.040 Bore -7cc KB120.040

    KB PERFORMANCE

    $396.97
    Building a Small Block Chevy that demands real power? These hypereutectic flat-top pistons deliver the compression ratio and durability needed for sustained high-RPM performance. Whether you're...
    KBPKB120.040
    SKU:
    KBPKB120.040
    Availability:
    Ships Same Business Day
    Weight:
    13.82 LBS
    MFG Part #:
    KB120.040
    $396.97
    Qty in Cart: 0
    Quantity:
    Price:
    $396.97
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -7cc KBPKB120.030

    SBC Flat Top Piston Set 4.030 Bore -7cc KB120.030

    KB PERFORMANCE

    $396.97
    If you're building or rebuilding a Small Block Chevy with serious compression goals, hypereutectic pistons are your foundation—they deliver the durability needed for consistent, high-revving...
    KBPKB120.030
    SKU:
    KBPKB120.030
    Availability:
    Ships Same Business Day
    Weight:
    13.71 LBS
    MFG Part #:
    KB120.030
    Qty in Cart: 0
    Quantity:
    Price:
    $396.97
    Subtotal:
  • SBF F/T Piston Set 4.040 Bore -6.5cc KBPKB115.040

    SBF F/T Piston Set 4.040 Bore -6.5cc KB115.040

    KB PERFORMANCE

    $432.43
    If you're building a high-compression Small Block Ford engine, piston selection directly impacts reliability, detonation resistance, and peak horsepower output. The KB115.040 delivers a -6.5cc dome...
    KBPKB115.040
    SKU:
    KBPKB115.040
    Availability:
    Ships Same Business Day
    Weight:
    13.79 LBS
    MFG Part #:
    KB115.040
    $432.43
    Qty in Cart: 0
    Quantity:
    Price:
    $432.43
    Subtotal:
  • SBC Flat Top Piston Set 4.155 Bore -5cc KBP9911HC.030

    SBC Flat Top Piston Set 4.155 Bore -5cc 9911HC.030

    KB PERFORMANCE

    $298.64
    If you're building a Small Block Chevy engine with compression-focused performance goals, flat-top pistons are essential for maximizing combustion efficiency. The -5cc dome design increases...
    KBP9911HC.030
    SKU:
    KBP9911HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.06 LBS
    MFG Part #:
    9911HC.030
    $298.64
    Qty in Cart: 0
    Quantity:
    Price:
    $298.64
    Subtotal:
  • SBC F/T Piston Set 4.040 Bore -5cc KBP9909HC.040

    SBC F/T Piston Set 4.040 Bore -5cc 9909HC.040

    KB PERFORMANCE

    $310.56
    Building a high-compression SBC engine demands pistons engineered for reliability under extreme conditions. This hypereutectic piston set delivers the compression ratio boost you need while...
    KBP9909HC.040
    SKU:
    KBP9909HC.040
    Availability:
    Ships Same Business Day
    Weight:
    11.10 LBS
    MFG Part #:
    9909HC.040
    Qty in Cart: 0
    Quantity:
    Price:
    $310.56
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -5cc KBP9908HC.030

    SBC Flat Top Piston Set 4.030 Bore -5cc 9908HC.030

    KB PERFORMANCE

    $310.56
    Building a reliable Small Block Chevy that can handle sustained RPMs and boost demands? A quality piston set is non-negotiable—it's the component that converts combustion into power while enduring...
    KBP9908HC.030
    SKU:
    KBP9908HC.030
    Availability:
    Ships Same Business Day
    Weight:
    11.01 LBS
    MFG Part #:
    9908HC.030
    $310.56
    Qty in Cart: 0
    Quantity:
    Price:
    $310.56
    Subtotal:
  • SBC Domed Piston Set 4.030 Bore +4cc KBP9904HC.030

    SBC Domed Piston Set 4.030 Bore +4cc 9904HC.030

    KB PERFORMANCE

    $319.73
    If you're building or refreshing a Small Block Chevy engine, piston selection directly impacts compression ratio, durability, and power output. These SBC domed pistons deliver a +4cc compression bump...
    KBP9904HC.030
    SKU:
    KBP9904HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.47 LBS
    MFG Part #:
    9904HC.030
    Qty in Cart: 0
    Quantity:
    Price:
    $319.73
    Subtotal:
  • SBC Domed Piston Set 4.030 Bore +14cc KBP9903HC.030

    SBC Domed Piston Set 4.030 Bore +14cc 9903HC.030

    KB PERFORMANCE

    $341.76
    If you're building a Small Block Chevy that demands reliable compression and consistent performance across the RPM range, these domed pistons deliver the durability of hypereutectic construction with...
    KBP9903HC.030
    SKU:
    KBP9903HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.82 LBS
    MFG Part #:
    9903HC.030
    $341.76
    Qty in Cart: 0
    Quantity:
    Price:
    $341.76
    Subtotal:
  • SBC Flat Top Piston Set 4.060 Bore -5cc KBP9902HC.060

    SBC Flat Top Piston Set 4.060 Bore -5cc 9902HC.060

    KB PERFORMANCE

    $334.37
    If you're building a competitive Small Block Chevy engine, piston selection directly impacts your power output, reliability, and compliance in sanctioned racing. This Claimer Series piston set...
    KBP9902HC.060
    SKU:
    KBP9902HC.060
    Availability:
    Ships Same Business Day
    Weight:
    12.84 LBS
    MFG Part #:
    9902HC.060
    $334.37
    Qty in Cart: 0
    Quantity:
    Price:
    $334.37
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -5cc KBP9902HC.030

    SBC Flat Top Piston Set 4.030 Bore -5cc 9902HC.030

    KB PERFORMANCE

    $334.37
    If you're building or rebuilding a Small Block Chevy with a higher compression ratio in mind, flat-top pistons deliver the combustion chamber volume you need for aggressive timing curves and forced...
    KBP9902HC.030
    SKU:
    KBP9902HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.48 LBS
    MFG Part #:
    9902HC.030
    $334.37
    Qty in Cart: 0
    Quantity:
    Price:
    $334.37
    Subtotal:
  •  KB PERFORMANCE Super-Duty Piston KB660LCA.010

    KB PERFORMANCE Super-Duty Piston KB660LCA.010

    KB PERFORMANCE

    $390.86
    KB Performance's Super-Duty Piston eliminates the compromises between tight tolerances and installation simplicity. The innovative skirt coating technology self-hones during startup to achieve...
    09105046
    SKU:
    09105046
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $390.86
    Subtotal:
  • KB PERFORMANCE Piston Kit KB266.040.3

    KB PERFORMANCE Piston Kit KB266.040.3

    KB PERFORMANCE

    $246.95
    If you're building a high-performance engine that demands precision and longevity, KB Performance pistons deliver the tight tolerances and superior ring seal that separate a reliable power plant from...
    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
    $246.95
    Qty in Cart: 0
    Quantity:
    Price:
    $246.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - FX/FL KB263.010

    KB PERFORMANCE Piston Kit - FX/FL KB263.010

    KB PERFORMANCE

    $239.95
    If you're building or rebuilding an engine that demands precision and longevity, KB Performance pistons are engineered to deliver both. These diamond-machined pistons hold tolerances tighter than...
    DS751203
    SKU:
    DS751203
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.437'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - FX/FL KB263.050

    KB PERFORMANCE Piston Kit - FX/FL KB263.050

    KB PERFORMANCE

    $239.95
    If you're building a high-revving FX/FL engine that demands precision and reliability, KB Performance pistons deliver the tight tolerances and superior ring seal that separate competitive builds from...
    DS751207
    SKU:
    DS751207
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    UNITS:
    KIT
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.437'
    BORE OVERSIZE - IMPERIAL:
    +0.050'
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - FX/FL KB263.060

    KB PERFORMANCE Piston Kit - FX/FL KB263.060

    KB PERFORMANCE

    $239.95
    If you're building a high-performance engine that demands precision and longevity, KB Performance pistons deliver the tight tolerances and reliable ring seal that separate a well-tuned build from a...
    DS751208
    SKU:
    DS751208
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    +0.060'
    BORE SIZE IMPERIAL:
    3.437'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - XL KB292.020

    KB PERFORMANCE Piston Kit - XL KB292.020

    KB PERFORMANCE

    $269.95
    KB Performance pistons are precision-engineered for racers and serious enthusiasts who demand tight tolerances and extended component life. The diamond-machined 390 hypereutectic aluminum...
    DS751219
    SKU:
    DS751219
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    8.2:1
    BORE SIZE IMPERIAL:
    3.208'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $269.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - XL KB292.030

    KB PERFORMANCE Piston Kit - XL KB292.030

    KB PERFORMANCE

    $269.95
    If you're building a high-performance engine that demands precision and reliability, KB Performance pistons are engineered to deliver both. The KB292.030 kit uses T-5 heat-treated 390 hypereutectic...
    DS751220
    SKU:
    DS751220
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE SIZE IMPERIAL:
    3.1875'
    COMPRESSION RATIO IMPERIAL:
    8.2:1
    Qty in Cart: 0
    Quantity:
    Price:
    $269.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - XL KB295.005

    KB PERFORMANCE Piston Kit - XL KB295.005

    KB PERFORMANCE

    $216.29
    If you're serious about maximizing engine efficiency and longevity, KB Performance pistons demand your attention. These diamond-machined components tolerate tighter clearances than standard pistons,...
    DS751236
    SKU:
    DS751236
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    PISTON HEAD SHAPE:
    FLAT TOP
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    BORE SIZE IMPERIAL:
    3.498'
    Qty in Cart: 0
    Quantity:
    Price:
    $216.29
    Subtotal:
  • KB PERFORMANCE Piston Kit - XL KB295.010

    KB PERFORMANCE Piston Kit - XL KB295.010

    KB PERFORMANCE

    $227.95
    If you're building a high-revving engine or pushing boost levels beyond stock capability, piston durability and ring seal directly impact power output and engine longevity. KB Performance pistons are...
    DS751237
    SKU:
    DS751237
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE SIZE IMPERIAL:
    3.498'
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    PISTON HEAD SHAPE:
    FLAT TOP
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    $227.95
    Qty in Cart: 0
    Quantity:
    Price:
    $227.95
    Subtotal:
  • KB PERFORMANCE Piston Kit KB272.000

    KB PERFORMANCE Piston Kit KB272.000

    KB PERFORMANCE

    $234.43
    If you're building a high-revving engine that demands precision and durability, KB Performance pistons are engineered for tighter tolerances and longer service life than standard alternatives. The...
    DS751253
    SKU:
    DS751253
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    PISTON HEAD SHAPE:
    REVERSE
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    Qty in Cart: 0
    Quantity:
    Price:
    $234.43
    Subtotal:
  • KB PERFORMANCE Piston Kit KB297.000

    KB PERFORMANCE Piston Kit KB297.000

    KB PERFORMANCE

    $246.95
    If you're serious about engine longevity and ring seal quality, piston tolerances matter—a lot. KB Performance's diamond-machined pistons are held to plus-or-minus one gram weight and...
    DS751258
    SKU:
    DS751258
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    8.3:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.498'
    $246.95
    Qty in Cart: 0
    Quantity:
    Price:
    $246.95
    Subtotal:
  • KB PERFORMANCE Piston Kit KB297.030

    KB PERFORMANCE Piston Kit KB297.030

    KB PERFORMANCE

    $234.43
    If you're serious about maximizing engine longevity and ring seal efficiency, KB Performance pistons deliver the precision tolerances and material science that separate track-proven components from...
    DS751262
    SKU:
    DS751262
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.498'
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    COMPRESSION RATIO IMPERIAL:
    8.3:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $234.43
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam KB411.000

    KB PERFORMANCE Piston Kit - Twin Cam KB411.000

    KB PERFORMANCE

    $307.95
    If you're building a high-revving engine or rebuilding after serious track time, piston quality directly impacts reliability and performance. KB Performance's T-5 heat-treated hypereutectic aluminum...
    DS751286
    SKU:
    DS751286
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    BORE SIZE IMPERIAL:
    3.875'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    $307.95
    Qty in Cart: 0
    Quantity:
    Price:
    $307.95
    Subtotal:
  • KB PERFORMANCE Lock Ring - Twin Cam PRJ-100

    KB PERFORMANCE Lock Ring - Twin Cam PRJ-100

    KB PERFORMANCE

    $10.95
    Piston lock rings are critical wear items that secure your piston pin in place under extreme combustion pressures and RPM loads. Over time, these rings fatigue and lose their grip, leading to...
    09130002
    SKU:
    09130002
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    APPLICATION:
    PISTON
    RIDING STYLE:
    STREET
    TYPE:
    LOCK RING
    UNITS:
    4 PACK
    PRODUCT NAME:
    WRIST PIN
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • KB PERFORMANCE Piston Kit KB258.040

    KB PERFORMANCE Piston Kit KB258.040

    KB PERFORMANCE

    $222.43
    If you're building a high-performance engine that demands precision and longevity, KB Performance pistons deliver the tight tolerances and superior ring seal that separate championship engines from...
    09102018
    SKU:
    09102018
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    COMPRESSION RATIO IMPERIAL:
    8.6:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.040'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE SIZE IMPERIAL:
    3.498'
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $222.43
    Subtotal:
  • KB PERFORMANCE Piston Kit KB348.010

    KB PERFORMANCE Piston Kit KB348.010

    KB PERFORMANCE

    $295.95
    If you're building or rebuilding a high-performance engine, piston quality directly impacts reliability, ring seal, and longevity under boost or high RPM. KB Performance pistons are manufactured to...
    09102020
    SKU:
    09102020
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE IMPERIAL:
    3.875'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    9.3:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    Qty in Cart: 0
    Quantity:
    Price:
    $295.95
    Subtotal:
  • KB PERFORMANCE Piston Kit - Twin Cam KB409C.005

    KB PERFORMANCE Piston Kit - Twin Cam KB409C.005

    KB PERFORMANCE

    $236.95
    If you're building or rebuilding a Twin Cam engine, piston quality directly impacts reliability, longevity, and ring seal—three things that separate a weekend warrior from a competitor. KB...
    09100916
    SKU:
    09100916
    Availability:
    Ships Same Business Day
    Weight:
    2.40 LBS
    BORE SIZE IMPERIAL:
    3.875'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    UNITS:
    KIT
    $236.95
    Qty in Cart: 0
    Quantity:
    Price:
    $236.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit  - Twin Cam KB904C.STD

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB904C.STD

    KB PERFORMANCE

    $322.95
    If you're rebuilding a Twin Cam engine or restoring your top-end assembly, you need pistons engineered for reliability under sustained load. The KB PERFORMANCE Forged Piston Kit delivers forged 4032...
    09100933
    SKU:
    09100933
    Availability:
    Ships Same Business Day
    Weight:
    2.20 LBS
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    UNITS:
    KIT
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    COMPRESSION RATIO IMPERIAL:
    9.25:1
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Piston - Evolution KB920C.005

    KB PERFORMANCE Piston - Evolution KB920C.005

    KB PERFORMANCE

    $299.95
    KB Performance pistons are engineered for reliability and consistent power delivery in high-rpm applications. The 4032 aluminum alloy forging provides the strength needed for forced induction and...
    09105055
    SKU:
    09105055
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    COMPRESSION RATIO IMPERIAL:
    9.5:1
    RIDING STYLE:
    STREET
    BORE - OVERSIZE:
    +0,005'
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE IMPERIAL:
    3.498'
    $299.95
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • KB PERFORMANCE Piston - Evolution KB921C.020

    KB PERFORMANCE Piston - Evolution KB921C.020

    KB PERFORMANCE

    $285.57
    KB Performance's Evolution KB921C.020 pistons deliver the precision engineering and durability demanded by serious racers and high-performance builders. Forged from premium 4032 aluminum alloy, these...
    09105060
    SKU:
    09105060
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    BORE - OVERSIZE:
    +0,020'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE IMPERIAL:
    3.498'
    Qty in Cart: 0
    Quantity:
    Price:
    $285.57
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.005

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.005

    KB PERFORMANCE

    $322.95
    When you're pushing your Twin Cam engine to its limits, stock pistons become a liability. The KB PERFORMANCE Forged Piston Kit delivers the strength and precision needed for sustained high-RPM...
    09103974
    SKU:
    09103974
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.005'
    UNITS:
    KIT
    BORE - OVERSIZE:
    +0,005'
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB907C.STD

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB907C.STD

    KB PERFORMANCE

    $322.95
    If you're rebuilding a Twin Cam engine or pushing it beyond stock limits, piston quality directly impacts reliability and performance. KB Performance's forged 4032 aluminum construction resists...
    09100937
    SKU:
    09100937
    Availability:
    Ships Same Business Day
    Weight:
    2.25 LBS
    COMPRESSION RATIO IMPERIAL:
    9.5:1
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.875'
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • KB PERFORMANCE Super-Duty Piston KB661LCA.010

    KB PERFORMANCE Super-Duty Piston KB661LCA.010

    KB PERFORMANCE

    $442.95
    Ring seal integrity and piston stability are foundational to engine longevity and performance. The KB PERFORMANCE Super-Duty Piston KB661LCA.010 eliminates common failure points—piston rock, ring...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $442.95
    Subtotal:
  • KB PERFORMANCE Piston - Evolution KB920C.020

    KB PERFORMANCE Piston - Evolution KB920C.020

    KB PERFORMANCE

    $285.57
    Reliable piston performance is the foundation of any high-revving engine build, and the KB PERFORMANCE Evolution KB920C.020 delivers the durability and precision you need for consistent power...
    09105057
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $285.57
    Subtotal:
  • KB PERFORMANCE Piston - Evolution KB921C.010

    KB PERFORMANCE Piston - Evolution KB921C.010

    KB PERFORMANCE

    $299.95
    KB Performance's Evolution KB921C.010 pistons deliver the reliability and precision your engine demands, whether you're pushing peak boost on the dyno or logging consistent lap times at the track...
    09105059
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.STD

    KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.STD

    KB PERFORMANCE

    $322.95
    If you're running a Twin Cam engine that demands reliable, high-rpm performance, OEM pistons won't cut it. The KB PERFORMANCE Forged Piston Kit delivers the strength and precision needed to handle...
    09103973
    SKU:
    09103973
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE SIZE IMPERIAL:
    4.000'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    RIDING STYLE:
    STREET
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    UNITS:
    KIT
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • SBF Flat Top Piston Set 4.040 Bore -6.5cc KBPKB246.040

    SBF Flat Top Piston Set 4.040 Bore -6.5cc KB246.040

    KB PERFORMANCE

    $413.21
    Building a high-compression Small Block Ford engine demands pistons engineered for precision and reliability under extreme conditions. These KB hypereutectic pistons deliver the compression ratio and...
    KBPKB246.040
    SKU:
    KBPKB246.040
    Availability:
    Ships Same Business Day
    Weight:
    10.50 LBS
    $413.21
    Qty in Cart: 0
    Quantity:
    Price:
    $413.21
    Subtotal:
  • SBF Flat Top Piston Set 4.030 Bore -6.5cc KBPKB246.030

    SBF Flat Top Piston Set 4.030 Bore -6.5cc KB246.030

    KB PERFORMANCE

    $413.21
    If you're building a high-compression Small Block Ford engine, compression ratio is everything—and these flat-top pistons deliver the precision you need. The -6.5cc dish reduces displacement while...
    KBPKB246.030
    SKU:
    KBPKB246.030
    Availability:
    Ships Same Business Day
    Weight:
    10.46 LBS
    MFG Part #:
    KB246.030
    $413.21
    Qty in Cart: 0
    Quantity:
    Price:
    $413.21
    Subtotal:
  • SBC Dished Piston Set 4.030 Bore -18cc KBPKB135.030

    SBC Dished Piston Set 4.030 Bore -18cc KB135.030

    KB PERFORMANCE

    $435.23
    If you're building a high-compression small-block Chevy engine, piston choice directly impacts detonation control, combustion efficiency, and reliability under boost or nitrous. The KB135.030 dished...
    KBPKB135.030
    SKU:
    KBPKB135.030
    Availability:
    Ships Same Business Day
    Weight:
    12.95 LBS
    MFG Part #:
    KB135.030
    $435.23
    Qty in Cart: 0
    Quantity:
    Price:
    $435.23
    Subtotal:
  • SBF Domed Piston Set 4.030 Bore +2.6cc KBPKB116.030

    SBF Domed Piston Set 4.030 Bore +2.6cc KB116.030

    KB PERFORMANCE

    $451.99
    If you're building a high-compression Small Block Ford engine, compression ratio directly impacts power output and combustion efficiency—and these domed pistons deliver the geometry you need. The KB...
    KBPKB116.030
    SKU:
    KBPKB116.030
    Availability:
    Ships Same Business Day
    Weight:
    14.04 LBS
    MFG Part #:
    KB116.030
    $451.99
    Qty in Cart: 0
    Quantity:
    Price:
    $451.99
    Subtotal:
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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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