THIS 1.700" HEAD DIAMETER STAINLESS STEEL INTAKE VALVE IS CUSTOM MANUFACTURED FOR THIS APPLICATION. THIS VALVE REQUIRES NO MODIFICATION FOR USE IN THE MODEL A FORD ENGINE, IT IS THE CORRECT LENGTH FOR USE WITH OUR ADJUSTABLE TAPPETS # A-6502B & THE RETAINER LOCATION RESULTS IN THE CORRECT VALVE SPRING INSTALLED HEIGHT.THIS VALVE WAS DEVELOPED BY PIRANIOS ANTIQUE AUTOMOTIVE USING OUR CYLINDER HEAD FLOW BENCH. THE VALVE FEATURES A 20 DEGREE BACKSIDE ON THE HEAD WITH A 3/8" RADIUS TO THE STEM. THIS PROVIDES THE MAXIMUM AIR FLOW IN THE MODEL A ENGINE, PRODUCING A NOTICABLE HORSEPOWER GAIN. YOU MUST USE OUR INTAKE SEAT # A-6509-S & OUR MODERN 1 PIECE VALVE GUIDE # A-6510-C. THIS VALVE UTILIZES OUR RETAINER # A-6515 & KEEPERS # A-6517 TO PROVIDE THE UTMOST DURABILITY. THE VALVE STEM IS HARDENED FOR 2" FROM THE TIP TO STOP THE TIP WEAR ASSOCIATED WITH MOST STAINLESS VALVES.YOU MUST BLEND THE OVERSIZE SEAT INTO THE INTAKE PORT WHEN USING THIS VALVE. THERE IS NO BETTER VALVE ON THE MARKET FOR THE MODEL A FORD ENGINE!
PART # A-6506-HP
WE USE OUR SUPER FLOW CYLINDER HEAD FLOW BENCH TO DEVELOP THE INTAKE VALVE SHAPE & SIZE AS WELL AS THE SIZE & SHAPE OF THE MODEL A FORD INTAKE PORT. IN SEPTEMBER, 2004 WE REDESIGNED THE INTAKE PORT TO GIVE EVEN MORE FLOW AT A HIGHER VELOCITY. THIS RESULTS IN EVEN MORE HORSEPOWER THAN OUR PREVIOUS DESIGN!
CONTACT US FOR PRICING ON SEAT INSTALLATION & PORT WORK ON YOUR HIGH PERFORMANCE MODEL A FORD.
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CONTACT US FOR PRICING ON SEAT INSTALLATION & PORT WORK ON YOUR HIGH PERFORMANCE MODEL A FORD.