Walker Pit Tuning Air Filter Element - 6.23 in Diameter - 3.25 in Tall - 5.06 in Flange - Blue Wall Clock 4" tall billet spin-on filter

4" tall billet spin-on filter has 3/4" -16 threads and a standard size O-ring

The dash mounted (1968) and column mounted ignition switches are supported

560" lifter bore centerline

these arms are a direct replacement for 1978-88 metric chassis and accept stock ball joints

All rear springs are closed and ground on both ends which insures proper contact with the jack plate and spring seat

Walker Pit Tuning Air Filter Element - 6.23 in Diameter - 3.25 in Tall - 5.06 in Flange - Blue Wall Clock 4" tall billet spin-on filterProduct Description: Air Filter Element Pit Tuning Round 6. 23 in Diameter 3. 25 in Tall 5. 06 in Flange Synthetic Blue Sold Individually Walker Engineering specializes in high performance air filters and accessories for Sprint and Midget cars, as well as other racing applications. Designed and produced in the USA, Walker air filters give racers an extra edge on the track. Walker Performance Filtration is a world leader in innovation and development