Simpson Racing Hybrid S 2018-chevrolet-silverado-1500-esi2442896 Lower Shaft Seal Plate -

Lower Shaft Seal Plate - 0

Throttle Body Spacer - PowerAid - 1 in Thick - O-Ring / Spacers / Hardware - Aluminum - Black Anodized - Ford V6 - Ford Fullsize Truck 2001-04 - Each

Air Conditioning Hose Kit - SureFit - Hose / Fittings / O-Rings / Hardware - GM F-Body 1969 - Kit

320 in OD - Steel Retainer - Viton Seal - Steel Seat - GM LS-Series - Kit

25 in OD - Clips - Titanium - Natural - Sprint Car - Kit

Simpson Racing Hybrid S 2018-chevrolet-silverado-1500-esi2442896 Lower Shaft Seal Plate -Simpson'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