Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft 4704021-10-M Under the new FIA 8860-2018

Under the new FIA 8860-2018 standard all helmets must withstand the following tests:

Specifically engineered to pair with coil-sprung RAM 1500

The specially shaped front pad is attached to the inside of your chin pad with a little "lip" of extra material to go between your upper lip and nose

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

Compression design

Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft 4704021-10-M Under the new FIA 8860-2018Lightweight 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