supply of india auto industries make poh maintenance kit for 300 kg vertical damper for secondary - air spring suspension arrangement consist of 8 items to icf drg.no. dmu / dpc5-0-5-503 alt-k / 6. 1 ] piston valve sub assy. 300 kgf [ 6 items-12 nos ] . 2 ] compression valve sub assy. 300 kgf [ 11 items-14 nos ] . 3 ] oil seal-01 no. [ part no. r801101 ] . 4 ] sealing ring-01 no. [ part no. r801460 / r801470 ] . 5 ] pressure ring-01 no. [ part no. r801090 ] . 6 ] ph. co. ring piston-01 no. [ part no. r601221 ] . 7 ] ph. co. ring guide -01 no. [ part no. r601231 ] . 8 ] nyloc hex. nut m14-01 no. [ r1101160 ] . [ warranty period: 30 months after the date of delivery ] amm ( carshed ) sanpada , cr maharashtra 658.00 set