For mechanical secondary 1991-pontiac-firebird-esi6483971 Control arms feature grease-able bushings

Control arms feature grease-able bushings and are made of DOM steel tubing

1hr at 482 degree F (250 degree C)

This item is an excellent upgrade for both street and drag applications

Installation requires cutting the factory Y-Pipe

the SB054 is cold formed to better resist torsional fatigue and retain its "memory" far longer than the hot-formed bars used by many competitors

For mechanical secondary 1991-pontiac-firebird-esi6483971 Control arms feature grease-able bushingsMech Link DP Standard 40% progressive ratio found in most carburetors (gold in color). Used on mechanical secondary carburetors only. Includes required cotter pin for installation.