Alpinestars Race v4 Fire Resistant Racing Socks - FIA 8856-2018 Vehicle Model_918 Spyder A set screw in the

A set screw in the thumb knob helps keep the unit from coming loose

Red Line's suspension fluids change very little with temperature and provide lower operating temperatures

The perfect compliment to any racing crew member

Fits all bottom mounting Sparco seats or use in conjunction with a Sparco Side Mount bracket

Alpinestars Race v4 Fire Resistant Racing Socks - FIA 8856-2018 Vehicle Model_918 Spyder A set screw in theThe Alpinestars Race v4 Socks offer excellent heat transfer protection and flat seams for comfort. THe lightweight and durable construction features a stretch feel that offers excellent comfort and mobility. The FIA 8856 2018 homologated socks fit to just below the knees.