Tired of carb caps that just don't fit your irregular and heady bangers? Zach Harrison hears you! That's why Zach Harrison Design created the A.D.A.P.T. Cap, a fully adjustable carb cap that assimilates to your setup. Handcrafted from durable condensed glass, the A.D.A.P.T. Cap offers two carb holes allowing you premium airflow control and vapor production.