AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy 12815P Over the hump

Over the hump

Vacuum Ports: 1 timed (spark) port

Floor Liner

2004-2005 Chevrolet Silverado 1500

Molded plastic panels provide superior flexibility while maintaining structural integrity during impact

AFR Inconel Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Big Block Chevy 12815P Over the humpProduct 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