Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft 4704021-10-M 20 x 18 x 10

20 x 18 x 10 in Tall

All of Simpson's Hybrid Series head restraints are designed for easily exiting the car without the danger of being entangled in other gear by offering the lowest profile of any comparable device

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

The Zamp ZR-40 Race Suit is a lightweight two-layer suit built with high-quality materials at an affordable price for adult and youth drivers

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

Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft 4704021-10-M 20 x 18 x 10Lightweight 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