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!
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Hot Cams Valve Shim 8.90mm x 2.52mm for KTM 250 SX-F 2005-2011 5PK890252
HOT CAMS
$10.95Enhance your engine's performance with our premium Valve Shim pack, designed for precision and reliability. Each shim measures 8.90 x 2.52, making them perfect for a variety of applications. This 5-pack ensures you have the necessary replacements to keep...09261369- SKU:
- 09261369
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$10.95 -
MOOSE OFFROAD Valve Seal Kit M60-60490
MOOSE OFFROAD
$15.95Valve Seal Kit Contact surfaces designed for improved sealing, High-temperature Viton? and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA09262826- SKU:
- 09262826
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$15.95 -
KIBBLEWHITE Spring Kit 30-33600
KIBBLEWHITE
$213.03Spring Kit 30-33600 Enhanced spring rates for improved performance High lift compatibility for optimal engine efficiency Ideal for boosted or turbocharged applications CNC-machined titanium retainers ensure durability Cr-Si dual...09263377- SKU:
- 09263377
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$213.03 -
KIBBLEWHITE Valve Kit - Intake 30-34000
KIBBLEWHITE
$184.09Valve Kit - Intake Full set of Black Diamond* stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002* with a surface buildup of .0002*, This process improves wear...09263378- SKU:
- 09263378
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$184.09 -
KIBBLEWHITE Valve - Intake - Black Diamond* 30-33612
KIBBLEWHITE
$37.55Valve - Intake - Black Diamond* Black Diamond* valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamond* proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U...09263379- SKU:
- 09263379
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$37.55 -
KIBBLEWHITE Valve - Exhaust - Black Diamond* 30-33616
KIBBLEWHITE
$37.55Valve - Exhaust - Black Diamond* Black Diamond* valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamond* proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U...09263380- SKU:
- 09263380
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$37.55 -
KIBBLEWHITE Valve Guide - Intake - Standard 30-33620
KIBBLEWHITE
$24.89Valve Guide - Intake - Standard 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.09263381- SKU:
- 09263381
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$24.89 -
KIBBLEWHITE Valve Guide - Intake - +0.010" 30-33629
KIBBLEWHITE
$24.89Valve Guide - Intake - +0.010" 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.09263382- SKU:
- 09263382
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$24.89 -
KIBBLEWHITE Valve Guide - Exhaust - Standard 30-33630
KIBBLEWHITE
$24.89Valve Guide - Exhaust - Standard 30-33630 Constructed from Ampco-45 for exceptional durability and performance. 80% copper content ensures superior heat conductivity. 5% nickel content enhances wear resistance for long-lasting use. ...09263383- SKU:
- 09263383
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$24.89 -
On Sale
KIBBLEWHITE Valve Guide - Exhaust - +0.010" 30-33639
KIBBLEWHITE
MSRP: $24.89Now: $15.00Was: $24.89Valve Guide - Exhaust - +0.010" 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.09263384- SKU:
- 09263384
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $24.89Now: $15.00Was: $24.89 -
KIBBLEWHITE Spring Kit 40-41600
KIBBLEWHITE
$213.03Spring Kit Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springs, Compatible with boosted or turbocharged applications, CNC-machined titanium retainers and Cr-Si dual springs provide valvetrain...09263385- SKU:
- 09263385
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
$213.03 -
KIBBLEWHITE Valve Kit - Intake 40-41650
KIBBLEWHITE
$168.62Valve Kit - Intake Full set of Black Diamond* stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002* with a surface buildup of .0002*, This process improves wear...09263386- SKU:
- 09263386
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$168.62 -
KIBBLEWHITE Valve - Intake - White Diamond 40-41612H
KIBBLEWHITE
$31.01Valve - Intake - White Diamond? White Diamond* valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360? anode, to produce an even coat of the highest grade hard chrome finish, Made in the U.S.A.09263387- SKU:
- 09263387
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$31.01 -
KIBBLEWHITE Valve - Exhaust - White Diamond 40-41616H
KIBBLEWHITE
$31.01Valve - Exhaust - White Diamond? White Diamond* valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360? anode, to produce an even coat of the highest grade hard chrome finish, Made in the U.S.A.09263388- SKU:
- 09263388
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$31.01 -
KIBBLEWHITE Valve - Exhaust - Tensilite 40-41616T
KIBBLEWHITE
$92.51Valve - Exhaust - Tensilite? 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...09263390- SKU:
- 09263390
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$92.51 -
KIBBLEWHITE Valve Guide - Intake - Standard 40-41620
KIBBLEWHITE
$24.89Valve Guide - Intake - Standard 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.09263391- SKU:
- 09263391
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$24.89 -
On Sale
KIBBLEWHITE Valve Guide - Intake - +0.010" 40-41629
KIBBLEWHITE
MSRP: $24.89Now: $15.00Was: $24.89Valve Guide - Intake - +0.010" 40-41629 Constructed from Ampco-45 for superior performance. High copper content (80%) ensures exceptional heat conductivity. Contains 5% nickel for enhanced wear resistance. Precision-engineered for...09263392- SKU:
- 09263392
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $24.89Now: $15.00Was: $24.89 -
KIBBLEWHITE Valve Guide - Exhaust - Standard 40-41630
KIBBLEWHITE
$24.89Valve Guide - Exhaust - Standard 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.09263393- SKU:
- 09263393
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$24.89 -
On Sale
KIBBLEWHITE Valve Guide - Exhaust - +0.010" 40-41639
KIBBLEWHITE
MSRP: $24.89Now: $15.00Was: $24.89Valve Guide - Exhaust - +0.010" - 40-41639 Constructed from high-performance Ampco-45 material. Contains 80% copper for superior heat conductivity. Features 5% nickel for enhanced wear resistance. Precision-engineered for optimal exhaust...09263394- SKU:
- 09263394
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $24.89Now: $15.00Was: $24.89 -
MOOSE RACING Intake Valve M40-41650
MOOSE RACING
$196.95Intake Valve - M40-41650 Enhanced lifespan compared to OEM valves. Optimized flow and performance for superior engine efficiency. Engineered using advanced Finite Element Analysis (F.E.A.) technology. Proprietary camshaft analysis ensures precise fit...09263371- SKU:
- 09263371
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
$196.95
