Bell SRV-8 Helmet Shield - Fits M.8, M.8 Carbon Option:Amber Models with this option must

Models with this option must use the Brey Krause R-1029 Porsche 996 Cabriolet Harness Bar

both which must be installed before the R-1990 can be used

which can occur under heavy braking and cornering

but they are designed and tested to have the belts mounted above them

Motor Vehicle Seat Belt Anchorages-Performance Requirements

Bell SRV-8 Helmet Shield - Fits M.8, M.8 Carbon Option:Amber Models with this option mustBell SRV 8 Replacement Shields fits Bell's M. 8 helmets, including the M. 8 Carbon. Bell recommends that you periodically change shields for better vision and safety. All shields come with adjustable tear off posts.