1) Lower Arms Are 1.625" OD-.156" DOM Tubing.

2) Fits GM Any A-Body car.

3) Fitment: 

Fits Chevelle, Malibu, Monte Carlo, And El Camino 1968-1972.

Fits Lemans, Grand Am, Grand Lemans, GTO, T37, And Tempest 1968-1972.

Fits Grand Prix 1969-1972.

Fits Sprint Trucks 1970-1972.

Fits 4-4-2, Cutlass, Calais, F85 And Vista Cruiser 1968-1972.

Fits Skylark, Century, Special, Luxus, And Regal 1968-1972.

4) Precision CNC welding. Require No Modification.

5) Package Includes: As Shown In Our Pictures.

This Item Doesn't Come With Installation Guides. We Highly Recommend Professional Installation.

We Will Ship Your Package From Different Warehouses.