Competition Engineering Rear Frame Rails - 2 x 3 x 0.083 in Tubing - GM X-Body1962-67 H775CBFS This is a NHRA mandatory

This is a NHRA mandatory specification

25" DiameterFor a long time

Black Anodized housing

The BR1 Top Plate Kit is a replacement top cover plate for the BR1

which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice)

Competition Engineering Rear Frame Rails - 2 x 3 x 0.083 in Tubing - GM X-Body1962-67 H775CBFS This is a NHRA mandatoryReplaces the stock rear rails in subframe equipped cars The Chassis People at Competition Engineering have built a solid reputation by designing and manufacturing the finest chassis and suspension components available for both street and strip applications. From performance street machines to professional drag racers, our products are designed to get power where it belongs on the pavement! To ensure this, each is meticulously developed with