Caterpillar Replacement Exhaust Valve Caterpillar 318 / 636 Head Diameter 1.805 Inch Overall Length 5.6830 Inch Stem Diameter 0.37150 Inch Keeper Groove 2 Check S/N for 3020 4020 SER

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Engine Pro's valves are the Premier Choice for valves. Four Series of valves assures you that you can find the right valve for your demanding application from Original Replacements to Street / Strip to Professional Racing. All Engine Pro Valves are manufactured to American specifications and standards in one facility located in the Western Hemisphere in one of the most sophisticated valve plants in the world for stainless steel and titanium materials, assuring tight tolerances in quality . Every valve is concentric in relation of the valve's head to the stem, which reduces wear on the valve, valve seat and the valve guides. This makes Engine Pro Valves the choice of professionals.

• Austenitic (Non-Magnetic) Or Martensitic (Magnetic) Steels And Nickel Base Super Alloys Along With Other Cobalt, Iron, And Nickel Base Facing Alloys
• Manufactured To USA Standards
• Replaces Stock Size Valve