Chirco performance offer standard chrome plated in stainless steel billet torsion bar spring plate covers, the spring plate covers are common on show cars as well as off-road Dune Buggy's and Sand Rail's, the torsion bar covers that have the center hole cut out was used on IRS cars that started in 1969 from VW, where as the torsion bar covers with the solid center were used on Volkswagens from 1946 through 1968, please browse our off-road suspension categories for all your Sand Rail and Dune Buggy rear suspension needs