Aluminum Transition, 2" x 2.5" x 3" long 1990-pontiac-firebird-esi3548487 If using a stock torque

If using a stock torque arm with this relocation kit an aftermarket polyurethane bushing must be purchased

hauling or otherwise using the El Camino for heavy duty use

The delrin-lined Roto-Joints absorb shock and road noise

The addition of tall 2” drop spindles with taller ball joints significantly improves camber gain and allows for a lower center of gravity

Borla(r) Cat-Back(tm) & Axle-back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower

Aluminum Transition, 2" x 2.5" x 3" long 1990-pontiac-firebird-esi3548487 If using a stock torqueVibrant Performance Aluminum Transitions are manufactured from 6063 Aluminum and require minimal surface preparation for tig welding. Vibrant Performance Aluminum Transitions allow for an easy and cost effective way of reducing expanding one tubing size to another and are ideal for fabricators who prefer to not use silicone couplers. They are available in a variety of size combinations ranging from 2 to 4.