supply of special maintenance kit for double check valve of e70 brake systemspecial maintenance kit for double check valve of e70 brake system,special maintenance kit for double check valve of e70 brake system as per ftrtipl part no.790002209 consist of following 04 items:- (1) double check valve w/piston ring as per ftrtipl part no.ft0050398-329 - 01 set/set; (1.1) valve assy as per ftrtipl part no. 002122500 - 01 no./set; (1.1 i) valve (dia 60x55lg) as per ftrtipl part no. 002421000 - 01 no./set. (1.1ii) valve insert as per ftr tipl part no. 002701000 - 02 nos./set, (1.2) piston ring as per ftrtipl part no. 002421500 - 01 no./s et. (2) joint (63.5x73x1) as per ftrtipl part no. 002701500 - 02 nos./set [ warranty period: 30 mon ths after the date of delivery ] ] amm/elsd/rpm, sr tamil nadu 14.00 set