Proform Billet Aluminum Throttle Base Plate - Holley 650 CFM, 700 CFM, 750 CFM, 800 CFM - 4150 Series 10247 Dual channel turbine pump mechanism

Dual channel turbine pump mechanism increases durability and can be used in pulse width modulated (PWM) applications

Installing a JOES Expansion Tank will help keep your engine cool

DynoMax 2" Aluminuminized J-Bend Pipe 3

2002 Ford E-550 Econoline Super Duty

Part Number: 12-812-1

Proform Billet Aluminum Throttle Base Plate - Holley 650 CFM, 700 CFM, 750 CFM, 800 CFM - 4150 Series 10247 Dual channel turbine pump mechanismUpgrade your carb with PROFORM's new Billet Throttle Base Plate! Made from solid billet construction versus die cast aluminum for added strength and durability this base plate comes with button torx head throttle plate screws, adjustable secondary air flow cam bracket, timed and full vacuum tubes for accessories and tuning, slip link mechanical secondary linkage, and power valve blow out protection! Component for use on Holley 650 CFM through 800 CFM