14" x 2" Washable Element Extreme Top w/Chrome Ring Flat Base Air Cleaner Kit Although the GM heads are

Although the GM heads are good pieces

Experience unparalleled performance and power with Speedmasters 6-71 Complete Supercharger Kitengineered for maximum horsepower and durability

measuring 102mm

Speedmaster flexplates will withstand the extreme power and rpm of today's engines

reduce stretching and prevent the belt from slipping

14" x 2" Washable Element Extreme Top w/Chrome Ring Flat Base Air Cleaner Kit Although the GM heads areSpeedmaster'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.