supply of set of two items.set of two items.,choke cover housing sa ci (consist of - 171,173 & 176) to part no 428 in escorts maintenance m anual mm-ab/dv-keo/1/2/-001 confirming to rdso spec. no. 02-abr-02 with amndt. no 4 of sept- 2016 [ war ranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , quick release valve confirming to rdso spec no 02-abr-02 amendment no 3to escorts/kn orr brem part nos as per enclosure [ 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