supply of india auto industries make poh maintenance kit , india auto industries make poh maintenance kit for 300 kg vertical damper f or secondary air spring suspension arrangement consists of 8 items. icf drg.no. dmu/dp c5-0-503. alt-k. item 1] piston value sub assy. 300 kgf [6 items-12 nos]. item 2] compression value sub assy. 300 kgf [11 items-14 nos]. item 3] oil seal-01 no[part no-r801101]. item 4] se aling ring-01 no[part no-r801470]. item 5] pressure ring-01 no[part no-r801090]. item 6] ph. co. ring piston-01 no[part no-r601221]. item 7] ph. co. ring guide -01 no[part no-r601231]. it em 8] nyloc hex nut m14 -01 no[r1101160] [ warranty period: 30 months after the date of deliver y ] ]