Simpson Safety - Simpson Racing Hybrid S 5 in ID - Rubber

5 in ID - Rubber Lining - Steel - Set of 10

Suspension Tube - Scalloped - 17

Gauge Cup - 2-5/8 in Diameter Gauge - Pedestal Mount - Steel - Chrome - Electric Gauges - Each

375 in Opening - Weld-On - Aluminum Bung - Aluminum Threaded Cap - Silver Anodized - Kit

Runout Checker - 16-1/2 in Length - Steel - Black - Each

Simpson Safety - Simpson Racing Hybrid S 5 in ID - RubberSimpson's Hybrid S model is currently the only Frontal Head Restraint proven effective for 3 point harnesses, and it is also FIA and SFI approved. Additionally, in a partnership with Detroit auto manufacturers, the Hybrid S is third party tested to FMVSS208. The Hybrid S allows high performance driving instructors, auto manufacturing test engineers, and other drivers with 3 point harnesses access to the advantages of head restraint safety. The FIA