America has had many a proprietor in the muscle car world, but the Mopar guys have always gone a little above and beyond. There's no mistaking a Dodge Challenger for any other Detroit pony car. Since 1970, they've always been a little bigger, a little louder, and a little crazier than anything else offered. Taking that into account, Holley knows that for Mopar owners, "more" is just enough. That's where we come in.

We offer the most complete line of adapter fittings in the industry! In addition to the standard range of AN adapters in both aluminum & steel, we also boast an extensive line of specialty adapter fittings.