This Edelbrock intake valve is a single 1-piece, swirl-polished stainless steel valve with a hardened tip and undercut stem for improved airflow. It measures 2.19" with an 11/32" stem and an overall length of 5.100". Supplied individually, the valve is specified to fit select Edelbrock W-Series big-block Chevrolet cylinder heads.
Edelbrock Valve Intake 348/409 W-Series BBC (60809 and 60819) Single Valve