Select Your Ride

1
2
3

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 Exhaust Valve 80-80876

    KIBBLEWHITE Exhaust Valve 80-80876

    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.
    09262919
    SKU:
    09262919
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2155'
    TULIP ANGLE:
    28°
    LENGTH IMPERIAL:
    3.380'
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    HEAD DIAMETER METRIC:
    30.50 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 80-81100

    KIBBLEWHITE Valve Spring Kit 80-81100

    KIBBLEWHITE

    $185.23
    Stainless steel conversion kits include only what's needed to convert your head to the long-life stainless steel Black Diamondâ„¢ intake valves, Extend the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts, Include...
    09262920
    SKU:
    09262920
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MATERIAL:
    TITANIUM
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT IMPERIAL:
    0.450'
    SPRING OPEN PRESSURE:
    155 LB
    SPRING SEAT PRESSURE:
    46 LB
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT:
    0,450'
    UNITS:
    KIT
    $185.23
    Qty in Cart: 0
    Quantity:
    Price:
    $185.23
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 30-31580

    KIBBLEWHITE Valve Spring Kit 30-31580

    KIBBLEWHITE

    $185.23
    Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts, Includes...
    09262734
    SKU:
    09262734
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    SPRING SEAT PRESSURE:
    40 LB
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT:
    0,440'
    SPRING OPEN PRESSURE:
    147 LB
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE KIT
    SPRING LIFT IMPERIAL:
    0.440'
    TYPE:
    CONVERSION
    MATERIAL:
    STAINLESS STEEL
    $185.23
    Qty in Cart: 0
    Quantity:
    Price:
    $185.23
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 96-96450

    KIBBLEWHITE Valve Spring Kit 96-96450

    KIBBLEWHITE

    $218.32
    Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts, Includes...
    09262736
    SKU:
    09262736
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    RIDING STYLE:
    STREET
    SPRING LIFT IMPERIAL:
    0.425'
    TYPE:
    CONVERSION
    PRODUCT NAME:
    VALVE KIT
    SPRING LIFT:
    0,425'
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    SPRING OPEN PRESSURE:
    169 LB
    MATERIAL:
    STAINLESS STEEL
    SPRING SEAT PRESSURE:
    60 LB
    $218.32
    Qty in Cart: 0
    Quantity:
    Price:
    $218.32
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 80-80850

    KIBBLEWHITE Valve Spring Kit 80-80850

    KIBBLEWHITE

    $303.29
    Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts, Includes...
    09262737
    SKU:
    09262737
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    SPRING OPEN PRESSURE:
    86 LB
    TYPE:
    CONVERSION
    PRODUCT NAME:
    VALVE KIT
    SPRING LIFT:
    0,380'
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    SPRING SEAT PRESSURE:
    39 LB
    APPLICATION:
    INTAKE
    SPRING LIFT IMPERIAL:
    0.380'
    Qty in Cart: 0
    Quantity:
    Price:
    $303.29
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 80-80950

    KIBBLEWHITE Valve Spring Kit 80-80950

    KIBBLEWHITE

    $303.29
    Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts, Includes...
    09262739
    SKU:
    09262739
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ATV
    SPRING LIFT IMPERIAL:
    0.380'
    SPRING OPEN PRESSURE:
    86 LB
    TYPE:
    CONVERSION
    PRODUCT NAME:
    VALVE KIT
    SPRING SEAT PRESSURE:
    39 LB
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    SPRING LIFT:
    0,380'
    $303.29
    Qty in Cart: 0
    Quantity:
    Price:
    $303.29
    Subtotal:
  • KIBBLEWHITE Intake Valve - Honda 30-30630T

    KIBBLEWHITE Intake Valve - Honda 30-30630T

    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.
    09262740
    SKU:
    09262740
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    HEAD DIAMETER METRIC:
    31.00 MM
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    TULIP ANGLE:
    20°
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.1960'
    UNITS:
    EACH
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Intake Valve - Honda 30-31162T

    KIBBLEWHITE Intake Valve - Honda 30-31162T

    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.
    09262741
    SKU:
    09262741
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    MATERIAL:
    TITANIUM
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.1960'
    HEAD DIAMETER METRIC:
    31.00 MM
    RIDING STYLE:
    OFF-ROAD
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Intake Valve - Honda 30-31462T

    KIBBLEWHITE Intake Valve - Honda 30-31462T

    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.
    09262742
    SKU:
    09262742
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    30.50 MM
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.1960'
    $109.33
    Qty in Cart: 0
    Quantity:
    Price:
    $109.33
    Subtotal:
  • KIBBLEWHITE Intake Valve - Kawasaki 40-40140T

    KIBBLEWHITE Intake Valve - Kawasaki 40-40140T

    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.
    09262746
    SKU:
    09262746
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    HEAD DIAMETER METRIC:
    31.00 MM
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.1765'
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Kawasaki 40-40143T

    KIBBLEWHITE Exhaust Valve - Kawasaki 40-40143T

    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.
    09262747
    SKU:
    09262747
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    STEM DIAMETER IMPERIAL:
    0.1756'
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    TULIP ANGLE:
    25°
    HEAD DIAMETER METRIC:
    25.00 MM
    MATERIAL:
    TITANIUM
    MODEL:
    TENSILITE®
    UNITS:
    EACH
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - KTM 96-96166T

    KIBBLEWHITE Exhaust Valve - KTM 96-96166T

    KIBBLEWHITE

    $100.95
    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.
    09262753
    SKU:
    09262753
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    MATERIAL:
    TITANIUM
    TULIP ANGLE:
    30°
    HEAD DIAMETER METRIC:
    31.70 MM
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.2353'
    RIDING STYLE:
    OFF-ROAD
    $100.95
    Qty in Cart: 0
    Quantity:
    Price:
    $100.95
    Subtotal:
  • KIBBLEWHITE Intake Valve - KTM 96-96212T

    KIBBLEWHITE Intake Valve - KTM 96-96212T

    KIBBLEWHITE

    $134.56
    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.
    09262754
    SKU:
    09262754
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    HEAD DIAMETER METRIC:
    39.95 MM
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.2350'
    TULIP ANGLE:
    15°
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    MODEL:
    TENSILITE®
    UNITS:
    EACH
    $134.56
    Qty in Cart: 0
    Quantity:
    Price:
    $134.56
    Subtotal:
  • KIBBLEWHITE Intake Valve - Suzuki 60-60210T

    KIBBLEWHITE Intake Valve - Suzuki 60-60210T

    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.
    09262756
    SKU:
    09262756
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    31.00 MM
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.1765'
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    MATERIAL:
    TITANIUM
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Suzuki 60-60213T

    KIBBLEWHITE Exhaust Valve - Suzuki 60-60213T

    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.
    09262757
    SKU:
    09262757
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MODEL:
    TENSILITE®
    TULIP ANGLE:
    25°
    HEAD DIAMETER METRIC:
    25.00 MM
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1756'
    MATERIAL:
    TITANIUM
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    $92.51
    Qty in Cart: 0
    Quantity:
    Price:
    $92.51
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Suzuki 60-60516T

    KIBBLEWHITE Exhaust Valve - Suzuki 60-60516T

    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.
    09262759
    SKU:
    09262759
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MATERIAL:
    TITANIUM
    STEM DIAMETER IMPERIAL:
    0.1760'
    HEAD DIAMETER METRIC:
    25.00 MM
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TULIP ANGLE:
    25°
    APPLICATION:
    EXHAUST
    MODEL:
    TENSILITE®
    $109.33
    Qty in Cart: 0
    Quantity:
    Price:
    $109.33
    Subtotal:
  • KIBBLEWHITE Intake Valve - Suzuki 60-60712T

    KIBBLEWHITE Intake Valve - Suzuki 60-60712T

    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.
    09262760
    SKU:
    09262760
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MATERIAL:
    TITANIUM
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    HEAD DIAMETER METRIC:
    36.00 MM
    MODEL:
    TENSILITE®
    STEM DIAMETER IMPERIAL:
    0.2155'
    $109.33
    Qty in Cart: 0
    Quantity:
    Price:
    $109.33
    Subtotal:
  • DEL WEST Exhaust Valve DW-RMZ450-EV08

    DEL WEST Exhaust Valve DW-RMZ450-EV08

    DEL WEST

    $155.95
    Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable
    09261063
    SKU:
    09261063
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    UNITS:
    EACH
    $155.95
    Qty in Cart: 0
    Quantity:
    Price:
    $155.95
    Subtotal:
  • DEL WEST Intake Valve DW-RMZ450-IV05

    DEL WEST Intake Valve DW-RMZ450-IV05

    DEL WEST

    $155.95
    Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable
    09261064
    SKU:
    09261064
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    UNITS:
    EACH
    $155.95
    Qty in Cart: 0
    Quantity:
    Price:
    $155.95
    Subtotal:
  • DEL WEST Intake Valve DW-CRF150RIV07

    DEL WEST Intake Valve DW-CRF150RIV07

    DEL WEST

    $155.95
    Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable
    09262217
    SKU:
    09262217
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    TITANIUM
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $155.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

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

Tyler D. - 06/12

Perfect Fit

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

Sarah L. - 08/24

Fast Shipping!!

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

Jason P. - 09/13

Helps keep cool, works great!

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

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER