Sander S501 Aluminum Sander Type Shortie Spindle 35453LRGBU Butler Built Air Ducts are

Butler Built Air Ducts are used by many top NASCAR competitors

5" pin GN style axle tubes are a popular choice for modifieds and street stocks

PORT MATCHED FOR OPTIMUM AIR FLOW

30 x 3 x 16 in

12 AN Female

Sander S501 Aluminum Sander Type Shortie Spindle 35453LRGBU Butler Built Air Ducts areThese feature a tubular spindle pin with special spindle nut, locking pin and washer. Use with 1006 or 1015 15 front hub kit. Since 1979 Sander Engineering has produced high quality, precision engineered wheels and components for dragsters, sprints, midgets & micros. Product Description: Spindle Shortie Stepped Aluminum Natural Sprint Car Sold Individually