These Golden Eagle cam gears are perfect for car enthusiasts who want to upgrade their DOHC B-Series or H23 Prelude engines. Whether you're a professional mechanic or a DIYer working on your weekend project, these gears will help you get the job done right. They are made from high-quality 6061T6 billet aluminum, ensuring they can withstand the rigors of high-performance driving. The easy-to-read timing scale makes it simple to adjust the gears accurately, saving you time and effort.