Simpson Racing Hybrid S 6th gen and plated Nylock nuts

and plated Nylock nuts

and longer polyurethane end links to maintain correct geometry

Viscosity Index 184

375-inch solid bar stock

Simpson Racing Hybrid S 6th gen and plated Nylock nutsSimpson'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