Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft 4704021-10-M This unique cooling system feeds

This unique cooling system feeds air from your cars fresh air system to both the top of the head and to the front of the face while at the same time helping to keep the inside of the visor clear

Includes 3/8" rod ends

1/8 in NPT Female Outlet

They start with a multiple layer breathable media combined with a unique filtration technology resulting in superior filtration

Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft 4704021-10-M This unique cooling system feedsLightweight bump spring cups are made from 6061 T6 aluminum and have a black anodized finish. Cups feature a bronze bushing, allowing the shock shaft to move freely during suspension travel. Cups have a 2" O. D. sized for Hypercoil and most Landrum bump springs. Two are required and should closely match bump spring I. D. size to appropriate bump spring cup step O. D. size from chart. Sold each. Specialty items for the Shop, Trailer and Track. The