We don't care what the Brand Xers say, we know the vintage Mopar suspension system (torsion bars and leaf springs) works quite well when set up properly. When adding big doses of power (like our '65 ...

Rassini’s 1+C Hybrid leaf spring features a single steel parabolic main plate and a flat glass fiber composite helper plate to provide suspension on the rear wheels of the Ford F-150 pickup truck.