AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy Steam Port Adapters Designed for high performance street

Designed for high performance street 340-360 c

2007-2010 Chevrolet Silverado 3500 HD 97

1966-1973 Maserati Mexico

Suitable for use with gasoline fuels only

Just bring the spring to installed height

AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy Steam Port Adapters Designed for high performance streetProduct 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