Pontiac Replacement Exhaust Valve Pontiac 350 400 455 CID engine (1967-73) Head Diameter 1.770 Inch Overall Length 4.9750 Inch Stem Diameter 0.34100 Inch Chrome Stem Coating Keeper Groove 2

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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

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Application Summary:

Year	Make/Model
1971-1972	Pontiac Bonneville
1971-1972	Pontiac Catalina
1971-1972	Pontiac Firebird
1973	Pontiac Grand Am
1971-1972	Pontiac Grand Prix
1971-1972	Pontiac Grand Safari
1971-1972	Pontiac Grandville
1971-1972	Pontiac GTO
1971-1972	Pontiac Laurentian
1971-1972	Pontiac LeMans
1971-1972	Pontiac Parisienne
1972	Pontiac Ventura