Chevrolet Small Block Nitro Black Stainless Exhaust Valves Head Diameter 1.500 Inch Stem Diameter 11/32 Inch Installed Height Stock Overall Length 4.910 Inch Tip Length .250 Inch No Undercut

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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.

• Deep Nitriding Provides Better Ductility Under The Hard Nitrided Layer And Is Proven In Rotating-Bending Fatigue Tests
• These Valves are Less Likely to Break Even if Contacted by the Piston and Greater Surface Hardness Means Less Valve Guide Wear
• Fully Undercut Stem
• Hard Wafer Tip
• Laboratory Tests Prove The Nitro Black Performance Valves Are 21% Smoother That Traditional Chrome Plated Valves
• Less Friction Means More Power, Less Wear And Less Chance Of Breakage Even If Contacted By The Piston
• Manufactured To USA Standards
• One Piece Forging In 21-4N High Strength Stainless Alloy
• Our Nitriding Process Is Much Cleaner Than Chroming-It's Better For The Enviroment!
• Proprietary Liquid Nitride Process Creates A Valve That Is Smoother, Stronger And More Corrosive Resistant Than Traditional Chrome Valves, Even With Exotic Fuels
• Smoother Valve Stems Mean Less Valve and Guide Friction
• Swirl Polished For Improved Flow Characteristics

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Application Summary:

Year	Make/Model
1963-1965	AC Shelby Cobra
1967-1972	DeTomaso Mangusta
1963	Ford 300
1966-1972	Ford Bronco
1963-1972	Ford Country Sedan
1963-1972	Ford Country Squire
1964-1972	Ford Custom
1968-1972	Ford Custom 500
1969-1972	Ford E-100 Econoline
1969-1972	Ford E-200 Econoline
1969-1972	Ford E-300 Econoline
1963-1965	Ford F-100
1969-1972	Ford F-100
1963-1965	Ford F-250
1969-1972	Ford F-250
1963-1965	Ford F-350
1972	Ford F-350
1963-1970	Ford Fairlane
1963-1970	Ford Falcon
1963-1965	Ford Falcon Sedan Delivery
1963-1967	Ford Galaxie
1963-1964	Ford Galaxie 500
1968-1972	Ford Galaxie 500
1972	Ford Gran Torino
1965-1972	Ford LTD
1970-1972	Ford Maverick
1964-1972	Ford Mustang
1963-1964	Ford P-350
1972	Ford P-350
1963-1972	Ford Ranch Wagon
1963-1972	Ford Ranchero
1963-1964	Ford Sprint
1968-1972	Ford Torino
1964-1967	Mercury Caliente
1966-1967	Mercury Capri
1963-1969	Mercury Comet
1971-1972	Mercury Comet
1967	Mercury Commuter
1967-1970	Mercury Cougar
1963	Mercury Country Cruiser
1964-1971	Mercury Cyclone
1963	Mercury Meteor
1968-1972	Mercury Montego
1963-1967	Mercury Villager
1966-1967	Mercury Voyager
1963-1968	Shelby Cobra