Our Polaris Turbo R Cage bungs work great to build and design your own custom roll cage. We offer our cage bungs in 1.75" x .120 wall or 2.0" x .095 wall diameter tubing. The 2 seat option includes two "A" pillar bungs and two "B" pillar bungs. The 4 seat option includes two "A" pillar bungs and four "B" and "C" pillar bungs along with the plate The "A" pillar bungs has a wire hole to run all your electrical wiring through your tubing.