Button Torx Head Screws Plate Screws Included 1990-pontiac-firebird-esi3548487 and a 4140 chrome moly

and a 4140 chrome moly solid adjuster

There is a triple layer anterior toe area for added wear protection with additional reinforcements in the heel and lace guard with double speed-fit closer

The UMI 2061 springs are constructed with premium quality USA CrSi wire for durability

use 3" wide band clamps 18004

Optional resonator 60667 can be added to the system to dampen the sound level

Button Torx Head Screws Plate Screws Included 1990-pontiac-firebird-esi3548487 and a 4140 chrome molyUpgrade 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! Product Details: Component for use on Holley 650 CFM