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 ] ]