Vintage No flaws This is a vintage CAM2 Motor Oil / Penske Racing belt buckle, typically dating from the mid-to-late 1970s Crafted from solid brass by companies like Lewis Corp. in the USA, this buckle is a piece of racing memorabilia from a significant era in motorsport history. It commemorates the collaboration between Sun Oil Company (Sunoco), General Motors, and Roger Penske to develop high-performance racing oil.