15" x 2" Oval Ball Milled Polished Aluminum Air Cleaner Kit They include a strong bonding

They include a strong bonding process

reducing the load on all internal components

if you want more airflow then you should grab up one of these Speedmaster X-Stream air flow top plates

It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs

15" x 2" Oval Ball Milled Polished Aluminum Air Cleaner Kit They include a strong bondingSpeedmaster's air cleaners not only look great, they also provide your engine with cleaner air for better performance. They're available in round and oval styles, and you can choose between plain polished, straight ball milled, and flame ball milled finishes.