14" x 2" Washable Element Extreme Top w/Black Ring Flat Base Air Cleaner Kit Designed for engines producing up

Designed for engines producing up to 500hp

They are five times stronger and more ridged than stock because they are made from aircraft grade aluminum alloy

manual or EFI pump

Like all Speedmaster cylinder heads

Speedmaster H-beam connecting rods are perfect for supercharged and nitrous applications

14" x 2" Washable Element Extreme Top w/Black Ring Flat Base Air Cleaner Kit Designed for engines producing upSpeedmaster'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.