Air Filter Carbon Base Plate For K&N Walker Sprint Car Air Box Base - 19.25 x 14 in Rectangle - Carbon Fiber - Natural - K&N / Walker Air Box - Each

Gen-2 Carbon Air Box For Sprint Car 6.5in Filter Sprint Car Air Box - Custom Racing Assembly - 19 x 14 in Rectangle - 6.5 in Tall - Composite - Kit

Sprint Car Air Box Filter Red Filter 5in Sprint Car Air Box - 19.25 x 13.875 x 5.125 in tall Rectangle - Reusable Filter - Steel - Black Powder Coat - Kit

Sprint Car Air Filter Only 6.25in Sprint Car Air Box - Custom Racing Assembly - 18.875 x 13.75 in Rectangle - 6.25 in Tall - Composite - Kit

Sprint Car Air Filter 4in Tall Air Filter Element - Sprint Car - Rectangle - 18.625 in Long - 13.813 in Wide - 4 in Tall - Reusable Cotton - Blue - Each