Heigo motorsports has been building extremely safe roll cages and roll bars for the Porsche vehicles for 30+ years. They have also produced countless factory and motorsports bars and cages for the marque over the years. We purchase their bars because they have a long-standing history with the fia and dmsb in Germany. They have hundreds of approval certificates to their name and maintain a meticulous safety record. Facts: bolt-in bar - screwed in to the original seat belt points. Chromoly steel 1.5-inch diameter tubing, .098 wall thickness tubing. Bars which connect to the main hoop, use a connecting joint system. Tig welded. Semi-gloss black finish. We recommend adding the harness bar, part # hei600036s to your...(choose a part on the right to read more)