Upgrade or replace your Holley Double Pumper's cracked or warped throttle base plate with this billet aluminum unit from Proform. Solid billet construction is stronger and more durable than die cast aluminum. Also features torx-head throttle plate screws, an adjustable secondary airflow cam bracket, timed and full vacuum tubes for accessories/tuning, slip-link mechanical secondary linkage and power valve blowout protection.
For use with Holley Double Pumpers (Mechanical Secondaries):
- 650 CFM (#4777)
- 700 CFM (#4778)
- 750 CFM (#4779)
- 800 CFM (#4780)
- and Proform Carb Main Body 67100C (586-67100 at right)