Dirt Bike Engine Valves and Parts

High-Quality Valve Shim - 8.90 x 2.52 - 5 Pack Enhance 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...

Valve 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 USA

Spring 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...

Valve 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...

Valve - 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...

Valve - 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...

Valve 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.

Valve 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.

Valve 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. ...

Valve 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.

Spring 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...

Valve 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...

Valve - 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.

Valve - 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.

Valve - Intake - Tensilite? Extensive R&D on all applications to provide high-performance components that last longer than OEM, Black Diamond valves are one-piece forgings made from 21-4N high-performance stainless steel, Trademarked Black Diamond...

Valve - 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...

Valve 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.

Valve 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...

Valve 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.

Valve 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...