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Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves & Parts: Kibblewhite Black Diamond Exhaust Valves & Spring Kits at JJ Motorsports

Upgrade your dirt bike's valvetrain for maximum flow, heat resistance, and durability with premium valves and parts from JJ Motorsports, precision-engineered for superior performance in motocross, enduro, and trail riding. Our selection includes Black Diamond stainless steel exhaust valves, high-RPM spring kits, keepers, seals, and guides designed for increased lift, reduced wear, and reliable operation under extreme valve float conditions. Compatible with popular 4-stroke models like Honda CRF, Yamaha YZ/WR, KTM SX/EXC, and more, these Kibblewhite components feature one-piece forging, nitride coatings, and dual-spring technology to enhance airflow, prevent valve train failure, and support big-bore or high-compression builds. From exhaust valves with swirl-polished stems to titanium retainer spring kits for lightweight strength, rebuild your cylinder head for championship-level power, longevity, and confidence on every rev.

Shop trusted brands like Kibblewhite for race-proven quality. Explore related categories such as dirt bike piston and ring kits for full top-end rebuilds or dirt bike engine for camshafts and gaskets.

Top Dirt Bike Valve & Parts

  • Kibblewhite Valve - Exhaust - Black Diamond 30-33616 – One-piece Black Diamond stainless steel exhaust valve with nitride coating, swirl-polished stem, and hard tip; designed for high-RPM durability and flow in 4-stroke engines.
  • Kibblewhite Spring Kit 40-41600 – Dual-spring kit with titanium retainers, chromoly seats, and high-strength springs; supports increased lift and RPM while preventing valve float in performance builds.

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • KIBBLEWHITE Intake Valve - Yamaha 80-80213T

    KIBBLEWHITE Intake Valve - Yamaha 80-80213T

    KIBBLEWHITE

    $92.51
    Tensilite® valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy, Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant, Made in the U.S.A.
    09262765
    SKU:
    09262765
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    TULIP ANGLE:
    15°
    UNITS:
    EACH
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.1765'
    MATERIAL:
    TITANIUM
    HEAD DIAMETER METRIC:
    27.00 MM
    PRODUCT NAME:
    VALVE
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Center Intake Valve - Yamaha 80-80215T

    KIBBLEWHITE Center Intake Valve - Yamaha 80-80215T

    KIBBLEWHITE

    $92.51
    Tensilite® valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy, Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant, Made in the U.S.A.
    09262766
    SKU:
    09262766
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    27.00 MM
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    APPLICATION:
    CENTER INTAKE
    MODEL:
    TENSILITE®
    TULIP ANGLE:
    15°
    MATERIAL:
    TITANIUM
    STEM DIAMETER IMPERIAL:
    0.1765'
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Yamaha 80-80217T

    KIBBLEWHITE Exhaust Valve - Yamaha 80-80217T

    KIBBLEWHITE

    $92.51
    Tensilite® valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy, Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant, Made in the U.S.A.
    09262767
    SKU:
    09262767
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    28.00 MM
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    MATERIAL:
    TITANIUM
    MODEL:
    TENSILITE®
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1957'
    APPLICATION:
    EXHAUST
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Intake Valve - Yamaha 80-80762T

    KIBBLEWHITE Intake Valve - Yamaha 80-80762T

    KIBBLEWHITE

    $109.33
    Tensilite® valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy, Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant, Made in the U.S.A.
    09262768
    SKU:
    09262768
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    HEAD DIAMETER METRIC:
    36.00 MM
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.2160'
    MATERIAL:
    TITANIUM
    APPLICATION:
    INTAKE
    MODEL:
    TENSILITE®
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TULIP ANGLE:
    20°
    $109.33
    Qty in Cart: 0
    Quantity:
    Price:
    $109.33
    Subtotal:
  • KIBBLEWHITE Intake Valve - Yamaha 80-80872T

    KIBBLEWHITE Intake Valve - Yamaha 80-80872T

    KIBBLEWHITE

    $109.33
    Tensilite® valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy, Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant, Made in the U.S.A.
    09262770
    SKU:
    09262770
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    37.00 MM
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    TENSILITE®
    TULIP ANGLE:
    18°
    MATERIAL:
    TITANIUM
    STEM DIAMETER IMPERIAL:
    0.2160'
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    $109.33
    Qty in Cart: 0
    Quantity:
    Price:
    $109.33
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 96-96430

    KIBBLEWHITE Exhaust Valve Guide 96-96430

    KIBBLEWHITE

    $24.89
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09262711
    SKU:
    09262711
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    BRONZE
    OUTSIDE DIAMETER IMPERIAL:
    0.4352'
    RIDING STYLE:
    OFF-ROAD
    SIZE IMPERIAL:
    STANDARD
    INSIDE DIAMETER IMPERIAL:
    0.1955'
    MATERIAL:
    AMPCO-45
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    MATERIAL:
    NICKEL
    MATERIAL:
    STAINLESS STEEL
    $24.89
    Qty in Cart: 0
    Quantity:
    Price:
    $24.89
    Subtotal:
  • KIBBLEWHITE Cylinder Head Service Kit 80-82400

    KIBBLEWHITE Cylinder Head Service Kit 80-82400

    KIBBLEWHITE

    $556.38
    Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...
    09263233
    SKU:
    09263233
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    MATERIAL:
    C630 BRONZE
    MATERIAL:
    TITANIUM
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    APPLICATION:
    INTAKE
    SPRING LIFT IMPERIAL:
    0.380'
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    CYLINDER HEAD SERVICE KIT
    SPRING LIFT:
    0,380'
    SPRING SEAT PRESSURE:
    39 LB
    RIDING STYLE:
    OFF-ROAD
    SPRING OPEN PRESSURE:
    86 LB
    UNITS:
    KIT
    $556.38
    Qty in Cart: 0
    Quantity:
    Price:
    $556.38
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 80-80206

    KIBBLEWHITE Valve Spring Kit 80-80206

    KIBBLEWHITE

    $317.71
    Black Diamond™ valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond® valves feature one-piece construction and hard chrome stems, Spring sets...
    09260095
    SKU:
    09260095
    Availability:
    Ships Same Business Day
    Weight:
    0.28 LBS
    APPLICATION:
    EXHAUST
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    ATV
    SPRING LIFT IMPERIAL:
    0.380'
    SPRING OPEN PRESSURE:
    86 LB
    SPRING LIFT:
    0,380'
    SPRING SEAT PRESSURE:
    39 LB
    TYPE:
    VALVE
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $317.71
    Qty in Cart: 0
    Quantity:
    Price:
    $317.71
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 80-80220

    KIBBLEWHITE Intake Valve Guide 80-80220

    KIBBLEWHITE

    $14.34
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09260096
    SKU:
    09260096
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    C630 BRONZE
    SIZE IMPERIAL:
    STANDARD
    INSIDE DIAMETER IMPERIAL:
    0.1768'
    OUTSIDE DIAMETER IMPERIAL:
    0.3957'
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    $14.34
    Qty in Cart: 0
    Quantity:
    Price:
    $14.34
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 80-80230

    KIBBLEWHITE Exhaust Valve Guide 80-80230

    KIBBLEWHITE

    $14.34
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09260101
    SKU:
    09260101
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    PRODUCT NAME:
    VALVE GUIDE
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    OFF-ROAD
    INSIDE DIAMETER IMPERIAL:
    0.1961'
    RIDING STYLE:
    ATV
    SIZE IMPERIAL:
    STANDARD
    APPLICATION:
    EXHAUST
    OUTSIDE DIAMETER IMPERIAL:
    0.3957'
    UNITS:
    EACH
    $14.34
    Qty in Cart: 0
    Quantity:
    Price:
    $14.34
    Subtotal:
  • KIBBLEWHITE Intake Valve 80-80213H

    KIBBLEWHITE Intake Valve 80-80213H

    KIBBLEWHITE

    $37.55
    White Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish, Made in the U.S.A.
    09260106
    SKU:
    09260106
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    27.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    SIZE METRIC:
    STANDARD
    UNITS:
    EACH
    LENGTH IMPERIAL:
    3.040'
    MODEL:
    WHITE DIAMONDâ„¢
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1765'
    RIDING STYLE:
    ATV
    TULIP ANGLE:
    15°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • XCELDYNE Intake Valve Kit X2SIVM13001

    XCELDYNE Intake Valve Kit X2SIVM13001

    XCELDYNE

    $44.49
    Offer the off-road enthusiast superior performance at an excellent value, Incorporate a high flow design for maximum power and long service life, X2 Titanium Valves are full CrN coated for extended service life, The X2 valvetrain kits are complete with...
    09262206
    SKU:
    09262206
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    +1 MM HEAD DIAMETER
    BASE COLOR:
    SILVER
    MODEL:
    X2
    UNITS:
    EACH
    COLOR/FINISH:
    STEEL
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    APPLICATION:
    SINGLE INTAKE
    RIDING STYLE:
    ATV
    STYLE:
    HIGH-FLOW
    $44.49
    Qty in Cart: 0
    Quantity:
    Price:
    $44.49
    Subtotal:
  • XCELDYNE Intake Valve Kit X2SIVM42002

    XCELDYNE Intake Valve Kit X2SIVM42002

    XCELDYNE

    $40.04
    Offer the off-road enthusiast superior performance at an excellent value, Incorporate a high flow design for maximum power and long service life, X2 Titanium Valves are full CrN coated for extended service life, The X2 valvetrain kits are complete with...
    09262216
    SKU:
    09262216
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    OUTER
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    HIGH-FLOW
    BASE COLOR:
    SILVER
    APPLICATION:
    SINGLE INTAKE
    UNITS:
    EACH
    COLOR/FINISH:
    STEEL
    MODEL:
    X2
    PRODUCT NAME:
    VALVE
    $40.04
    Qty in Cart: 0
    Quantity:
    Price:
    $40.04
    Subtotal:
  • KIBBLEWHITE Spring Kit 30-31600

    KIBBLEWHITE Spring Kit 30-31600

    KIBBLEWHITE

    $207.83
    Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one motor, Keepers are not included, Made in the U.S.A.
    09262345
    SKU:
    09262345
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT IMPERIAL:
    0.440'
    SPRING OPEN PRESSURE:
    INTAKE 147 LB, EXHAUST 203 LB
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    $207.83
    Qty in Cart: 0
    Quantity:
    Price:
    $207.83
    Subtotal:
  • KIBBLEWHITE Intake Valve 40-40652

    KIBBLEWHITE Intake Valve 40-40652

    KIBBLEWHITE

    $31.01
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S.A.
    09262355
    SKU:
    09262355
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    STEM DIAMETER IMPERIAL:
    0.2155'
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    HEAD DIAMETER METRIC:
    35.99 MM
    LENGTH IMPERIAL:
    3.080'
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 40-40656

    KIBBLEWHITE Exhaust Valve 40-40656

    KIBBLEWHITE

    $31.01
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S.A.
    09262357
    SKU:
    09262357
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    HEAD DIAMETER METRIC:
    31.01 MM
    LENGTH IMPERIAL:
    3.030'
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2150'
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Spring Kit 40-40660

    KIBBLEWHITE Spring Kit 40-40660

    KIBBLEWHITE

    $220.26
    Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one motor, Keepers are not included, Made in the U.S.A.
    09262359
    SKU:
    09262359
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    SPRING LIFT IMPERIAL:
    0.415'
    SPRING OPEN PRESSURE:
    INTAKE 169 LB, EXHAUST 170 LB
    TYPE:
    VALVE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    UNITS:
    KIT
    $220.26
    Qty in Cart: 0
    Quantity:
    Price:
    $220.26
    Subtotal:
  • KIBBLEWHITE Valve Guide 40-40670

    KIBBLEWHITE Valve Guide 40-40670

    KIBBLEWHITE

    $17.83
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09262360
    SKU:
    09262360
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    RIDING STYLE:
    OFF-ROAD
    INSIDE DIAMETER IMPERIAL:
    0.2150'
    MATERIAL:
    NICKEL
    SIZE IMPERIAL:
    STANDARD
    MATERIAL:
    AMPCO-45
    OUTSIDE DIAMETER IMPERIAL:
    0.4365'
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    MATERIAL:
    BRONZE
    $17.83
    Qty in Cart: 0
    Quantity:
    Price:
    $17.83
    Subtotal:
  • KIBBLEWHITE Intake Valve 40-40920

    KIBBLEWHITE Intake Valve 40-40920

    KIBBLEWHITE

    $31.01
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S.A.
    09262372
    SKU:
    09262372
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    STEM DIAMETER IMPERIAL:
    0.1960'
    LENGTH IMPERIAL:
    3.610'
    MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    UTV
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    30.00 MM
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    ATV
    TULIP ANGLE:
    10°
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 40-40925

    KIBBLEWHITE Exhaust Valve 40-40925

    KIBBLEWHITE

    $31.01
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S.A.
    09262375
    SKU:
    09262375
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    LENGTH IMPERIAL:
    3.655'
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    ATV
    STEM DIAMETER IMPERIAL:
    0.1955'
    TULIP ANGLE:
    10°
    HEAD DIAMETER METRIC:
    27.00 MM
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    UTV
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    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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