15" x 2" Oval Ball Milled Polished Aluminum Air Cleaner Kit Supercharger idler pulley stand ensure

Supercharger idler pulley stand ensure optimal belt tension and alignment for smoother power delivery

Speedmaster piston oil ring spacers are manufactured from spring steel and install against the bottom sill of the oil ring groove

Bearing wear is dramatically reduced and the fatigue strength is greatly improved

Featuring thicker walls and more gusseting than any other manufacturer

These Speedmaster air filter bases are just what you need to build that custom air cleaner assembly

15" x 2" Oval Ball Milled Polished Aluminum Air Cleaner Kit Supercharger idler pulley stand ensureSpeedmaster'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.