15" x 2" Oval Plain Polished Aluminum Air Cleaner Kit but both factors can be

but both factors can be equally important in a race car

We control the entire machining process and use only premium materials

These Speedmaster crankshafts are precision-ground and micro-polished to exacting tolerances

Speedmaster oil pump pickups are specially matched to our Speedmaster oil pans

Some applications feature a thicker deck to solve common warping or cracking issues

15" x 2" Oval Plain Polished Aluminum Air Cleaner Kit but both factors can beSpeedmaster'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.