supply of special maintenance kit double check valvespecial maintenance kit double check valve,special maintenance kit double check valve for e70 brake system as per ftrtipl part n o.790002209 consist of following 04 items:- (1) double check valve w/piston ring as per ftrtipl part no.ft0050398-329 - 01 no./set; (1.1) valve assy as per ftrtipl part no. 002122500 - 01 no./set; (1. 1i) valve (dia 60x55lg) as per ftrtipl part no. 002421000 - 01 no./set. (1.1ii) valve insert as per ft rtipl part no. 002701000 - 02 nos./set, (1.2) piston ring as per ftrtipl part no. 002421500 - 01 no./ set. (2) joint (63.5x73x1) as per ftrtipl part no. 002701500 - 02 nos./set [ warranty period: 30 mo nths after the date of delivery ] ] amm/elsd/rpm, sr tamil nadu 52.00 set