AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy Steam Port Adapters Suitable for use with gasoline

Suitable for use with gasoline fuels only

Throttle Return Spring Kit For QFX - Made from laser cut stainless steel to virtually eliminate flex

Designed for high performance street 340-360 c

Melling 68-77 400 Pontiac Pump M54F

was developed and patented in 1950

AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy Steam Port Adapters Suitable for use with gasolineProduct Description: Exhaust Valve 1. 880 in Head 11 32 in Valve Stem 5. 450 in Long Inconel Big Block Chevy For over thirty years Airflow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. This complete commitment to performance has enabled Airflow Research's cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. As every engine builder will