b'Racetech RT4119HRW Lightweight Racing Seat:oIntegrated Shoulder Supports & Wrap Around Head & Neck ProtectionoHANS Compatible / Large Harness Guides for Shoulder & Lap Belts oNo Holes for Anti-Submarine Belt(s) / Belts Route in Front of Seat Base oGRP Plastic & Fiberglass Matrix / Compliant with FIA 8855-1999 Standards oBlack Fire Retardant Fabric with Black Perforated Leather Wear Patches oLightweight at 21-23# Depending on Size Needed oRemovable Base Cushion / 4 Sizes Available / Standard = $2580 oTall Add $210 / Wide Add $210 / Tall & Wide = Add $260 Racetech RT4129HR Advanced Racing Seat: oIntegrated Shoulder Supports & Wrap Around Head & Neck ProtectionoHANS Compatible / Large Harness Guides for Shoulder & Lap Belts oNo Holes for Anti-Submarine Belt(s) / Belts Route in Front of Seat Base oGRP Plastic, Kevlar & Carbon Fiber Matrix / Exceeds FIA 8855-1999 standards oNone Better for Comfort & Safety / Used by All of the Australian Supercar Competitors oBlack Fire Retardant Fabric with Black Perforated Leather Wear Patches oGreat Strength & Safety High Level at 33-40# Depending on Size Needed oRemovable Base Cushion / 4 Sizes Available / Standard = $4520 oTall Add $100 / Wide Add $100 / Tall & Wide = Add $310362'