Allstar Performance Sprint Wing Post RH Sideboard Mount - Stainless Steel 721055 Sizing the REV is fairly

Sizing the REV is fairly simple if you use this handy chart

110 lb/in Spring Rate

1965-1967 Cadillac Calais

Compact inserts are placed into rod ends of suspension

Requires 1-3/8 in Spring

Allstar Performance Sprint Wing Post RH Sideboard Mount - Stainless Steel 721055 Sizing the REV is fairlyFixed posts have a 1" O. D. to fit into pinch clamp spuds welded to torsion bar tubes on most chassis. Bent tubes are angled forward to mount the front wing forward, adding increased down force. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality,