HEAD MODIFIED CYL HEAD TWIN POINT ROAD VALVES,PLUS S/CHARGE

Road Sport twin point injection cars have a unique head design and this is the baby we use in our stage one kits. Gas flowed with larger inlets 35.7 and 29.22mm exhausts with cast iron guides.180lb (nominal)valve springs.Nominal 21cc chambers.Suitable for fast road engines and lead free fuel use.Has NO by pass hose or heater tak-off.Near zero flow loss from modified standard valves when compared to race spec valves