AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy HSZ240CL 3-1/2 in Tall

3-1/2 in Tall

a high performance curve

Trans Mount

1984-1990 GMC P6000

and Extra Wide 15

AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy HSZ240CL 3-1/2 in TallProduct 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