14" x 4" Red Washable Air Filter Element Only Speedmaster CNC ported cylinder heads

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

They are engineered to be "where the oil is" under the most demanding racing conditions

They're machined from billet aluminum for lasting durability and good looks

and large HEIs or DuraSparks

14" x 4" Red Washable Air Filter Element Only Speedmaster CNC ported cylinder headsWe want you to have reusable filter elements that outflow ordinary paper filters, without spending an arm and a leg. These Speedmaster filters are washable and reusable, they utilize a cotton gauze with aluminum mesh construction, and have oil already applied. These quality filters are available in many sizes and styles, and are a terrific value.