Push-In Washable Stack Sidedraft / Downdraft Air Filter [Single 50mm] Its unique construction features an

Its unique construction features an aluminum core with an outer silicone coating

tapered secondary rings that seal against the oil control ring's upper surface for excellent oil control

Speedmaster one-piece 8620 Steel output shafts are the perfect upgrade to improve the performance of your automatic transmission

Speedmaster valve locks are wider-angled 10 degree locks

They take the place of your head bolt washers and are hardened and chamfered

Push-In Washable Stack Sidedraft / Downdraft Air Filter [Single 50mm] Its unique construction features anThese Speedmaster filters are washable and reusable, they utilize a cotton gauze with aluminum mesh construction.