supply of c-2w relay valve with 3/4 inch hole in the base plate to pt.no.1 and 3 [with 6mm chokec-2w relay valve with 3/4 inch hole in the base plate to pt.no.1 and 3 [with 6mm choke,c-2w relay valve with 3/4 inch hole in the base plate to pt.no.1 and 3 [with 6mm choke in the ex haust] to wabco pt.no.579991/ftil pt.no. 505001300 or sil pt.no.30301722.each unit should be emboss/eng raved with makers name,month,year and batch no.of manufacturing a conspicious place. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited