SKU: AFR9070
MPN: 9070
The Valve Seat – SBC Exhaust 1.696 O.D. is a precision replacement component designed for small-block Chevrolet engines undergoing significant cylinder head work or complete restoration. This exhaust valve seat from Air Flow Research is ideal for those building high-performance street engines, weekend bracket racers, or restoring classic muscle cars.
Manufactured from high-silicon ductile iron or premium cast alloys, this valve seat is engineered to meet the demands of your SBC. The 1.696-inch outside diameter is the standard specification for SBC exhaust seats, ensuring a proper fit with corresponding head bores. Its compact design promotes easy installation and manipulation during cylinder head porting and valve seat replacement procedures.
Engine builders, cylinder head shops, and serious enthusiasts will find this valve seat indispensable for achieving optimal performance. The controlled geometry of the valve seat enhances combustion chamber flow and exhaust gas scavenging, making it a critical component for any SBC head work or upgrades.
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