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KIBBLEWHITE

KIBBLEWHITE

KIBBLEWHITE

Kibblewhite Valvetrain Components and Engine Parts at JJ Motorsports

Kibblewhite Precision Machining, commonly known as Kibblewhite, has been a trusted leader in engine components since its establishment in 1936. With a focus on precision and quality, the brand serves the automotive and powersports industries, providing high-performance parts for racers and enthusiasts worldwide. Kibblewhite specializes in valvetrain components such as valves, valve springs, guides, and seals, all crafted to enhance engine performance, durability, and reliability under demanding conditions.

At JJ Motorsports, we offer a comprehensive selection of Kibblewhite products to optimize your engine's performance. For safe compression maximization, consider the Kibblewhite Piston System 80-81200, featuring convex valve reliefs that match valve geometry and convert to Black Diamond technology. Riders seeking superior wear and thermal conductivity can opt for the Kibblewhite Cast Iron Valve Seat - Exhaust - Evolution 10-SC446, compatible with all fuel blends. Enhance your valvetrain with the Kibblewhite Exhaust Valve 20-21063K, CNC machined from EV8 Stainless Steel or Inconel-751 with a hard chrome coating, or the Kibblewhite Intake Valve 20-21061H for similar high-performance benefits. For boosted applications, the Kibblewhite Spring Kit 20-23600 offers increased spring rates and CNC-machined titanium components.

Kibblewhite's products deliver significant advantages, including improved engine efficiency, longevity, and superior wear resistance through high-grade materials and advanced manufacturing. Key features encompass state-of-the-art techniques like Black Diamond valves for extreme durability, high lift compatibility, and designs that minimize breakdowns while extending vehicle life in racing and high-performance scenarios.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • KIBBLEWHITE Cylinder Studs - Evolution/XL 20-2097

    KIBBLEWHITE Cylinder Studs - Evolution/XL 20-2097

    KIBBLEWHITE

    $187.95
    High-performance cylinder studs are the foundation of a reliable engine assembly—especially under boost or high RPM loads where standard fasteners simply won't hold. The KIBBLEWHITE Evolution/XL...
    DS199770
    SKU:
    DS199770
    Availability:
    Ships Same Business Day
    Weight:
    1.44 LBS
    $187.95
    Qty in Cart: 0
    Quantity:
    Price:
    $187.95
    Subtotal:
  • KIBBLEWHITE Tool Reamer .3110" GR-3110

    KIBBLEWHITE Tool Reamer .3110" GR-3110

    KIBBLEWHITE

    $113.56
    Precision valve guide reaming demands a tool engineered for the job—and the KIBBLEWHITE GR-3110 delivers exacting tolerances that matter. Whether you're restoring a classic engine or building a...
    38010241
    SKU:
    38010241
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    NICKEL
    MEASUREMENT SYSTEM:
    SAE
    OUTSIDE DIAMETER IMPERIAL:
    0.3110'
    OVERALL LENGTH IMPERIAL:
    7.125'
    OVERALL LENGTH METRIC:
    181 MM
    MATERIAL:
    STEEL
    UNITS:
    EACH
    PRODUCT NAME:
    REAMER
    RIDING STYLE:
    STREET
    TYPE:
    VALVE GUIDE
    Qty in Cart: 0
    Quantity:
    Price:
    $113.56
    Subtotal:
  • KIBBLEWHITE Tool Reamer .3770" GR-3770

    KIBBLEWHITE Tool Reamer .3770" GR-3770

    KIBBLEWHITE

    $113.56
    Precision valve guide sizing demands a reamer that won't compromise bore tolerance or finish quality. The KIBBLEWHITE Tool Reamer .3770" delivers the tight dimensional control required for KPMI®...
    38010242
    SKU:
    38010242
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    REAMER
    MEASUREMENT SYSTEM:
    SAE
    TYPE:
    VALVE GUIDE
    UNITS:
    EACH
    COLOR/FINISH:
    NICKEL
    OVERALL LENGTH METRIC:
    181 MM
    OUTSIDE DIAMETER IMPERIAL:
    0.3370'
    OVERALL LENGTH IMPERIAL:
    7.125'
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $113.56
    Subtotal:
  • KIBBLEWHITE Heavy Duty Clutch Springs 20-0789

    KIBBLEWHITE Heavy Duty Clutch Springs 20-0789

    KIBBLEWHITE

    $49.20
    If you're experiencing clutch slippage under hard acceleration or running a modified engine with increased output, stock clutch springs won't cut it. KIBBLEWHITE Heavy Duty Clutch Springs deliver a...
    DS199209
    SKU:
    DS199209
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SPRING SET
    TYPE:
    CLUTCH
    UNITS:
    SET
    $49.20
    Qty in Cart: 0
    Quantity:
    Price:
    $49.20
    Subtotal:
  • KIBBLEWHITE Tool Vlv Seal Install Set 20-20835

    KIBBLEWHITE Tool Vlv Seal Install Set 20-20835

    KIBBLEWHITE

    $38.33
    Installing valve seals requires precision—misalignment leads to premature wear, oil burning, and costly engine damage. The KIBBLEWHITE Tool Vlv Seal Install Set eliminates guesswork by centering the...
    38010286
    SKU:
    38010286
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    TYPE:
    VALVE GUIDE
    COLOR/FINISH:
    ANODIZED
    MATERIAL:
    6061 T6 ALUMINUM
    MEASUREMENT SYSTEM:
    SAE
    PRODUCT NAME:
    SEAL INSTALLER
    UNITS:
    SET
    APPLICATION:
    VALVE SEAL
    COLOR/FINISH:
    BLUE
    COLOR/FINISH:
    SILVER
    $38.33
    Qty in Cart: 0
    Quantity:
    Price:
    $38.33
    Subtotal:
  • KIBBLEWHITE Tool Vlv Seal Install Evo 20-20830 KIBBLEWHITE Tool Vlv Seal Install Evo 20-20830

    KIBBLEWHITE Tool Vlv Seal Install Evo 20-20830

    KIBBLEWHITE

    $8.58
    Valve guide seals are critical to engine longevity, and proper installation requires precision tools designed for the job. These replacement seal installers ensure you achieve correct seating depth...
    38010287
    SKU:
    38010287
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    VALVE SEAL
    MEASUREMENT SYSTEM:
    SAE
    PRODUCT NAME:
    SEAL INSTALLER
    STYLE:
    REPLACEMENT
    COLOR/FINISH:
    ANODIZED
    UNITS:
    EACH
    COLOR/FINISH:
    RED
    MATERIAL:
    6061 T6 ALUMINUM
    RIDING STYLE:
    STREET
    TYPE:
    VALVE GUIDE
    $8.58
    Qty in Cart: 0
    Quantity:
    Price:
    $8.58
    Subtotal:
  • KIBBLEWHITE Tool Vlv Seal Instal Shvl 20-20831

    KIBBLEWHITE Tool Vlv Seal Instal Shvl 20-20831

    KIBBLEWHITE

    $8.58
    Valve guide seal installation requires precision tools to avoid damage and ensure proper seating—this Kibblewhite replacement shim set keeps your seal installer working at peak efficiency. Whether...
    38010288
    SKU:
    38010288
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    VALVE SEAL
    MATERIAL:
    6061 T6 ALUMINUM
    MEASUREMENT SYSTEM:
    SAE
    PRODUCT NAME:
    SEAL INSTALLER
    STYLE:
    REPLACEMENT
    COLOR/FINISH:
    BLUE
    COLOR/FINISH:
    ANODIZED
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    TYPE:
    VALVE GUIDE
    $8.58
    Qty in Cart: 0
    Quantity:
    Price:
    $8.58
    Subtotal:
  • KIBBLEWHITE Tool Vle Seal Install Xl 20-20832

    KIBBLEWHITE Tool Vle Seal Install Xl 20-20832

    KIBBLEWHITE

    $8.58
    Valve guide seals are critical to engine longevity—they prevent oil from seeping into the combustion chamber, which causes excessive smoke, fouled plugs, and accelerated wear. When you're rebuilding...
    38010289
    SKU:
    38010289
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    ANODIZED
    COLOR/FINISH:
    SILVER
    MEASUREMENT SYSTEM:
    SAE
    TYPE:
    VALVE GUIDE
    UNITS:
    EACH
    PRODUCT NAME:
    SEAL INSTALLER
    APPLICATION:
    VALVE SEAL
    MATERIAL:
    6061 T6 ALUMINUM
    RIDING STYLE:
    STREET
    STYLE:
    REPLACEMENT
    $8.58
    Qty in Cart: 0
    Quantity:
    Price:
    $8.58
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Evolution 20-4170

    KIBBLEWHITE Exhaust Valve - Evolution 20-4170

    KIBBLEWHITE

    $29.81
    If you're running a high-revving engine, valve wear is one of the quickest ways to lose performance and reliability. The KIBBLEWHITE Evolution 20-4170 exhaust valve eliminates that risk with a...
    DS198974
    SKU:
    DS198974
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    STEM DIAMETER IMPERIAL:
    0.3096'
    APPLICATION:
    EXHAUST
    MODEL:
    BLACK DIAMONDâ„¢
    TULIP ANGLE:
    29°
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    HEAD DIAMETER IMPERIAL:
    1.615'
    LENGTH IMPERIAL:
    4.525'
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $29.81
    Qty in Cart: 0
    Quantity:
    Price:
    $29.81
    Subtotal:
  • KIBBLEWHITE Intake Valve - XL 20-4196

    KIBBLEWHITE Intake Valve - XL 20-4196

    KIBBLEWHITE

    $37.55
    If you're running a high-performance engine, valve wear is one of the fastest paths to lost compression and declining performance. The Kibblewhite Intake Valve XL 20-4196 uses a proprietary nitriding...
    DS198975
    SKU:
    DS198975
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    HEAD DIAMETER IMPERIAL:
    1.935'
    MODEL:
    BLACK DIAMONDâ„¢
    TULIP ANGLE:
    23°
    APPLICATION:
    INTAKE
    LENGTH IMPERIAL:
    3.620'
    RIDING STYLE:
    STREET
    STEM DIAMETER IMPERIAL:
    0.3090'
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - XL 20-4197

    KIBBLEWHITE Exhaust Valve - XL 20-4197

    KIBBLEWHITE

    $37.55
    Kibblewhite's XL 20-4197 exhaust valves are engineered for engines that demand superior durability and reliability under extreme conditions. The stellite-tipped, nitrided construction delivers...
    DS198976
    SKU:
    DS198976
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    APPLICATION:
    EXHAUST
    LENGTH IMPERIAL:
    3.512'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    STEM DIAMETER IMPERIAL:
    0.3384'
    HEAD DIAMETER IMPERIAL:
    1.570'
    MODEL:
    BLACK DIAMONDâ„¢
    TULIP ANGLE:
    29°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve - 883 XL 20-20090

    KIBBLEWHITE Intake Valve - 883 XL 20-20090

    KIBBLEWHITE

    $37.55
    If you're running a high-mileage 883 XL or preparing your engine for sustained performance, valve wear and heat management directly impact reliability and throttle response. KIBBLEWHITE's one-piece...
    DS198806
    SKU:
    DS198806
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    STREET
    STEM DIAMETER IMPERIAL:
    0.3100'
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    LENGTH IMPERIAL:
    4.550'
    TULIP ANGLE:
    23°
    APPLICATION:
    INTAKE
    HEAD DIAMETER IMPERIAL:
    1.585'
    UNITS:
    EACH
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - 883 XL 20-20092

    KIBBLEWHITE Exhaust Valve - 883 XL 20-20092

    KIBBLEWHITE

    $37.55
    If you're running a high-revving 883 XL, valve durability directly impacts your engine's reliability and performance ceiling. The KIBBLEWHITE exhaust valve uses a nitrided stellite tip and one-piece...
    DS198807
    SKU:
    DS198807
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    APPLICATION:
    EXHAUST
    HEAD DIAMETER IMPERIAL:
    1.350'
    MODEL:
    BLACK DIAMONDâ„¢
    LENGTH IMPERIAL:
    4.640'
    RIDING STYLE:
    STREET
    STEM DIAMETER IMPERIAL:
    0.3095'
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    17°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve 40-4372H

    KIBBLEWHITE Intake Valve 40-4372H

    KIBBLEWHITE

    $54.10
    If you're serious about engine reliability and peak performance, valve quality isn't an area to compromise. The KIBBLEWHITE Intake Valve 40-4372H delivers the durability and precision needed for both...
    KW404372H
    SKU:
    KW404372H
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    29.00 MM
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    SIZE METRIC:
    STANDARD
    TULIP ANGLE:
    20°
    MODEL:
    WHITE DIAMONDâ„¢
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1765'
    UNITS:
    EACH
    LENGTH IMPERIAL:
    3.360'
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 40-4373H

    KIBBLEWHITE Exhaust Valve 40-4373H

    KIBBLEWHITE

    $54.10
    A precision exhaust valve is fundamental to engine reliability and performance—especially under high RPM and elevated combustion temperatures. The KIBBLEWHITE White Diamond™ valve delivers the...
    KW404373H
    SKU:
    KW404373H
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    25.00 MM
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    SIZE METRIC:
    STANDARD
    TULIP ANGLE:
    20°
    APPLICATION:
    EXHAUST
    MODEL:
    WHITE DIAMONDâ„¢
    UNITS:
    EACH
    LENGTH IMPERIAL:
    3.375'
    STEM DIAMETER IMPERIAL:
    0.1760'
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 80-80014

    KIBBLEWHITE Exhaust Valve 80-80014

    KIBBLEWHITE

    $54.10
    Exhaust valves experience extreme thermal and mechanical stress, and factory units often succumb to wear, carbon buildup, and corrosion—compromising engine efficiency and reliability. The KIBBLEWHITE...
    KW8080014
    SKU:
    KW8080014
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    STEM DIAMETER IMPERIAL:
    0.2745'
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    29°
    HEAD DIAMETER METRIC:
    34.00 MM
    LENGTH IMPERIAL:
    2.945'
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 80-80030

    KIBBLEWHITE Valve Spring Kit 80-80030

    KIBBLEWHITE

    $178.31
    Valve spring performance directly impacts your engine's ability to maintain valve control at high RPM, preventing float and ensuring reliable power delivery across your entire rev range. The...
    KW8080030
    SKU:
    KW8080030
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    SPRING LIFT:
    0,345'
    SPRING LIFT IMPERIAL:
    0.345'
    SPRING OPEN PRESSURE:
    145 LB
    TYPE:
    VALVE
    APPLICATION:
    EXHAUST
    RIDING STYLE:
    UTV
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    SPRING SEAT PRESSURE:
    55 LB
    UNITS:
    KIT
    $178.31
    Qty in Cart: 0
    Quantity:
    Price:
    $178.31
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 80-80040

    KIBBLEWHITE Intake Valve Guide 80-80040

    KIBBLEWHITE

    $19.83
    Valve guides are critical to engine longevity and performance—they control oil consumption, maintain proper valve sealing, and prevent catastrophic wear under high RPM and sustained heat cycles. The...
    KW8080040
    SKU:
    KW8080040
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    AMPCO-45
    APPLICATION:
    INTAKE
    RIDING STYLE:
    ATV
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    OUTSIDE DIAMETER IMPERIAL:
    0.4550'
    RIDING STYLE:
    UTV
    INSIDE DIAMETER IMPERIAL:
    0.2345'
    PRODUCT NAME:
    VALVE GUIDE
    $19.83
    Qty in Cart: 0
    Quantity:
    Price:
    $19.83
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 80-80050

    KIBBLEWHITE Exhaust Valve Guide 80-80050

    KIBBLEWHITE

    $19.83
    Valve guide wear is one of the most common causes of compression loss and oil burning in high-performance engines. The KIBBLEWHITE 80-80050 exhaust valve guide uses Ampco-45 bronze—a specialized...
    KW8080050
    SKU:
    KW8080050
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    MATERIAL:
    AMPCO-45
    RIDING STYLE:
    ATV
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    0.2348'
    OUTSIDE DIAMETER IMPERIAL:
    0.4550'
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    VALVE GUIDE
    $19.83
    Qty in Cart: 0
    Quantity:
    Price:
    $19.83
    Subtotal:
  • KIBBLEWHITE Intake Valve 30-31462

    KIBBLEWHITE Intake Valve 30-31462

    KIBBLEWHITE

    $37.55
    Intake valve performance directly impacts combustion efficiency, cylinder fill rate, and overall engine responsiveness—making quality valve selection critical for both street and race applications...
    09261136
    SKU:
    09261136
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    HEAD DIAMETER METRIC:
    30.50 MM
    LENGTH IMPERIAL:
    3.500'
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.1960'
    UNITS:
    EACH
    TULIP ANGLE:
    20°
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 30-31466

    KIBBLEWHITE Exhaust Valve 30-31466

    KIBBLEWHITE

    $37.55
    Exhaust valves endure extreme temperatures and combustion pressures cycle after cycle—material quality directly impacts engine reliability and performance longevity. The Kibblewhite Black Diamond™...
    09261138
    SKU:
    09261138
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    HEAD DIAMETER METRIC:
    25.00 MM
    TULIP ANGLE:
    20°
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    LENGTH IMPERIAL:
    3.310'
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.1760'
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Spring Kit 60-60560

    KIBBLEWHITE Spring Kit 60-60560

    KIBBLEWHITE

    $144.69
    Valve spring performance directly impacts engine reliability, rev capacity, and longevity—especially under high-load racing conditions. The KIBBLEWHITE Spring Kit 60-60560 delivers OEM-exceeding...
    09260862
    SKU:
    09260862
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    SPRING OPEN PRESSURE:
    195 LB
    SPRING SEAT PRESSURE:
    65 LB
    UNITS:
    KIT
    SPRING LIFT IMPERIAL:
    0.415'
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    CHROME-SILICON
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    STREET
    $144.69
    Qty in Cart: 0
    Quantity:
    Price:
    $144.69
    Subtotal:
  • KIBBLEWHITE Center Intake Valve 80-8056H

    KIBBLEWHITE Center Intake Valve 80-8056H

    KIBBLEWHITE

    $54.10
    If you're running a high-performance engine, valve quality directly impacts reliability and power delivery under extreme conditions. KIBBLEWHITE's White Diamondâ„¢ center intake valves are...
    KW808056H
    SKU:
    KW808056H
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    CENTER INTAKE
    LENGTH IMPERIAL:
    3.280'
    TULIP ANGLE:
    15°
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MODEL:
    WHITE DIAMONDâ„¢
    RIDING STYLE:
    OFF-ROAD
    SIZE METRIC:
    STANDARD
    STEM DIAMETER IMPERIAL:
    0.1765'
    HEAD DIAMETER METRIC:
    27.00 MM
    PRODUCT NAME:
    VALVE
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 80-8057H

    KIBBLEWHITE Exhaust Valve 80-8057H

    KIBBLEWHITE

    $54.10
    High-revving engines demand valves engineered to withstand extreme temperatures and repeated shock loads without compromise. The KIBBLEWHITE White Diamondâ„¢ exhaust valve delivers the precision and...
    KW808057H
    SKU:
    KW808057H
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    EXHAUST
    HEAD DIAMETER METRIC:
    28.00 MM
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.1955'
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MODEL:
    WHITE DIAMONDâ„¢
    RIDING STYLE:
    OFF-ROAD
    SIZE METRIC:
    STANDARD
    TULIP ANGLE:
    25°
    LENGTH IMPERIAL:
    3.220'
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Intake Valve - Twin Cam 20-20108

    KIBBLEWHITE Intake Valve - Twin Cam 20-20108

    KIBBLEWHITE

    $29.81
    If you're running a high-revving Twin Cam engine, valve wear is a real concern—especially under sustained boost or competition conditions. The Kibblewhite 20-20108 intake valves eliminate that worry...
    09260408
    SKU:
    09260408
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    STEM DIAMETER IMPERIAL:
    0.3100'
    LENGTH IMPERIAL:
    4.445'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    23°
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    HEAD DIAMETER IMPERIAL:
    2.000'
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    $29.81
    Qty in Cart: 0
    Quantity:
    Price:
    $29.81
    Subtotal:
  • KIBBLEWHITE Intake Valve - Big Twin 20-4257

    KIBBLEWHITE Intake Valve - Big Twin 20-4257

    KIBBLEWHITE

    $31.01
    If you're running a Big Twin engine, valve longevity and flow efficiency directly impact your power output and reliability. The Kibblewhite 20-4257 intake valve combines superior wear resistance with...
    09260409
    SKU:
    09260409
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    HEAD DIAMETER IMPERIAL:
    1.750'
    LENGTH IMPERIAL:
    3.800'
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    STEM DIAMETER IMPERIAL:
    0.3765'
    TULIP ANGLE:
    23°
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 30-30075

    KIBBLEWHITE Exhaust Valve 30-30075

    KIBBLEWHITE

    $54.10
    Valve durability directly impacts engine reliability and performance consistency—especially under high-RPM conditions where thermal stress and friction accelerate wear. The KIBBLEWHITE Black Diamond™...
    KW3030075
    SKU:
    KW3030075
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    HEAD DIAMETER METRIC:
    23.50 MM
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    LENGTH IMPERIAL:
    3.765'
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.1955'
    TULIP ANGLE:
    29°
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Intake Valve 30-30081

    KIBBLEWHITE Intake Valve 30-30081

    KIBBLEWHITE

    $54.10
    High-revving engines demand intake valves that can handle extreme temperatures and constant stress without sacrificing flow. The KIBBLEWHITE Black Diamondâ„¢ Intake Valve delivers the durability and...
    KW3030081
    SKU:
    KW3030081
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.2160'
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    HEAD DIAMETER METRIC:
    28.50 MM
    LENGTH IMPERIAL:
    3.805'
    MODEL:
    BLACK DIAMONDâ„¢
    TULIP ANGLE:
    23°
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Intake Valve - TRX450R - Standard 30-30950

    KIBBLEWHITE Intake Valve - TRX450R - Standard 30-30950

    KIBBLEWHITE

    $31.01
    Your TRX450R's intake valve is exposed to extreme combustion temperatures and constant mechanical stress—factory valves wear quickly under high-performance demands. The KIBBLEWHITE Black Diamond™...
    09260416
    SKU:
    09260416
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    STEM DIAMETER IMPERIAL:
    0.2158'
    HEAD DIAMETER METRIC:
    36.00 MM
    MODEL:
    BLACK DIAMONDâ„¢
    APPLICATION:
    INTAKE
    LENGTH IMPERIAL:
    3.315'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    ATV
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Spring Kit 30-30085

    KIBBLEWHITE Spring Kit 30-30085

    KIBBLEWHITE

    $108.01
    A high-quality valve spring kit is fundamental to any engine build or rebuild—it directly impacts valve timing accuracy, durability under high RPM, and overall engine reliability. The KIBBLEWHITE...
    KW3030085
    SKU:
    KW3030085
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT IMPERIAL:
    0.430'
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    SPRING OPEN PRESSURE:
    201 LB
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    Qty in Cart: 0
    Quantity:
    Price:
    $108.01
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - TRX450R - Standard 30-30953

    KIBBLEWHITE Exhaust Valve - TRX450R - Standard 30-30953

    KIBBLEWHITE

    $31.01
    Stock exhaust valves are a common wear point that can compromise engine efficiency and reliability, especially in high-RPM applications like the TRX450R. The KIBBLEWHITE Black Diamondâ„¢ Exhaust Valve...
    09260418
    SKU:
    09260418
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    STEM DIAMETER IMPERIAL:
    0.1957'
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    HEAD DIAMETER METRIC:
    30.00 MM
    UNITS:
    EACH
    LENGTH IMPERIAL:
    3.310'
    RIDING STYLE:
    ATV
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 30-30090

    KIBBLEWHITE Exhaust Valve 30-30090

    KIBBLEWHITE

    $54.10
    Exhaust valves are critical to engine reliability and performance—a worn or marginal valve compromises combustion efficiency, increases heat stress, and accelerates internal wear. The KIBBLEWHITE...
    KW3030090
    SKU:
    KW3030090
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    HEAD DIAMETER METRIC:
    22.50 MM
    LENGTH IMPERIAL:
    3.650'
    PRODUCT NAME:
    VALVE
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2150'
    TULIP ANGLE:
    29°
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Spring Kit 30-31050

    KIBBLEWHITE Spring Kit 30-31050

    KIBBLEWHITE

    $207.81
    Valve spring performance directly impacts your engine's RPM ceiling, valve timing accuracy, and overall reliability under high-load conditions. The KIBBLEWHITE Spring Kit 30-31050 delivers...
    09260420
    SKU:
    09260420
    Availability:
    Ships Same Business Day
    Weight:
    0.61 LBS
    MATERIAL:
    TITANIUM
    SPRING LIFT IMPERIAL:
    0.440'
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    SPRING OPEN PRESSURE:
    INTAKE 147 LB, EXHAUST 203 LB
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    $207.81
    Qty in Cart: 0
    Quantity:
    Price:
    $207.81
    Subtotal:
  • KIBBLEWHITE Intake Valve - CRF450X - 2005-2007 - Standard 30-31062

    KIBBLEWHITE Intake Valve - CRF450X - 2005-2007 - Standard 30-31062

    KIBBLEWHITE

    $31.01
    Your CRF450X's intake valve is under constant thermal and mechanical stress—factory valves wear faster than you'd expect, especially if you're pushing RPMs or running extended seasons. Kibblewhite's...
    09260421
    SKU:
    09260421
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    35.00 MM
    LENGTH IMPERIAL:
    3.315'
    STEM DIAMETER IMPERIAL:
    0.2158'
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    MODEL:
    BLACK DIAMONDâ„¢
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Intake Valve - CRF250R - 2008 - Standard 30-31162

    KIBBLEWHITE Intake Valve - CRF250R - 2008 - Standard 30-31162

    KIBBLEWHITE

    $37.55
    If you're running a CRF250R, intake valve longevity directly impacts engine reliability and peak performance. KIBBLEWHITE's Black Diamond™ valves eliminate the weak link in your cylinder head—factory...
    09260430
    SKU:
    09260430
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    INTAKE
    LENGTH IMPERIAL:
    3.280'
    UNITS:
    EACH
    HEAD DIAMETER METRIC:
    31.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    TULIP ANGLE:
    20°
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.1957'
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - CRF250R - 2008 - Standard 30-31166

    KIBBLEWHITE Exhaust Valve - CRF250R - 2008 - Standard 30-31166

    KIBBLEWHITE

    $37.55
    Stock exhaust valves wear under sustained high-RPM operation, leading to compression loss and reduced engine efficiency. The Kibblewhite Black Diamondâ„¢ valve is engineered to withstand the thermal...
    09260434
    SKU:
    09260434
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    STEM DIAMETER IMPERIAL:
    0.1760'
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    LENGTH IMPERIAL:
    3.235'
    HEAD DIAMETER METRIC:
    26.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 30-3041

    KIBBLEWHITE Valve Spring Kit 30-3041

    KIBBLEWHITE

    $136.54
    High-revving engines demand valve springs engineered for sustained performance under extreme conditions. KIBBLEWHITE's complete spring kit delivers the durability and consistency required for race...
    KW303041
    SKU:
    KW303041
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    SPRING LIFT IMPERIAL:
    0.400'
    APPLICATION:
    INTAKE
    MATERIAL:
    CHROME-SILICON
    SPRING OPEN PRESSURE:
    192 LB
    SPRING SEAT PRESSURE:
    76 LB
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    ATV
    SPRING LIFT:
    0,400'
    TYPE:
    VALVE
    $136.54
    Qty in Cart: 0
    Quantity:
    Price:
    $136.54
    Subtotal:
  • KIBBLEWHITE Intake/Exhaust Valve Guide 30-3100

    KIBBLEWHITE Intake/Exhaust Valve Guide 30-3100

    KIBBLEWHITE

    $34.40
    Valve guides are critical to engine longevity—they control oil consumption, maintain precise valve seating, and prevent catastrophic wear. The KIBBLEWHITE 30-3100 valve guide uses a proprietary...
    KW303100
    SKU:
    KW303100
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    EXHAUST
    MATERIAL:
    AMPCO-45
    MATERIAL:
    NICKEL
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    OUTSIDE DIAMETER IMPERIAL:
    0.4355'
    PRODUCT NAME:
    VALVE GUIDE
    INSIDE DIAMETER IMPERIAL:
    0.2155'
    MATERIAL:
    BRONZE
    RIDING STYLE:
    OFF-ROAD
    $34.40
    Qty in Cart: 0
    Quantity:
    Price:
    $34.40
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 30-3111

    KIBBLEWHITE Valve Spring Kit 30-3111

    KIBBLEWHITE

    $99.26
    Valve spring degradation is one of the leading causes of performance loss and catastrophic engine failure in high-revving applications. The KIBBLEWHITE Valve Spring Kit 30-3111 delivers OEM-quality...
    KW303111
    SKU:
    KW303111
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    MATERIAL:
    TITANIUM
    SPRING LIFT:
    0,300'
    SPRING SEAT PRESSURE:
    70 LB
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    SPRING OPEN PRESSURE:
    157 LB
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    ATV
    SPRING LIFT IMPERIAL:
    0.300'
    TYPE:
    VALVE
    $99.26
    Qty in Cart: 0
    Quantity:
    Price:
    $99.26
    Subtotal:
  • KIBBLEWHITE Intake Kit 40-40350

    KIBBLEWHITE Intake Kit 40-40350

    KIBBLEWHITE

    $185.23
    OEM titanium intake valves wear out faster than you'd like, especially under sustained high-RPM conditions. The KIBBLEWHITE Black Diamond intake valve kit replaces those factory components with...
    09260452
    SKU:
    09260452
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    SPRING LIFT:
    0,445'
    SPRING OPEN PRESSURE:
    155 LB
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE KIT
    SPRING SEAT PRESSURE:
    46 LB
    TYPE:
    CONVERSION
    SPRING LIFT IMPERIAL:
    0.445'
    $185.23
    Qty in Cart: 0
    Quantity:
    Price:
    $185.23
    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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