Supply of Slack Adjuster Assembly Upper To Rdso Drg No. Skvl 189, Alt-1 & Skvl 190, Alt-1 With Bushes Alone To Material Mn Steel To Irsr65/ 78. Note: Two Nos Of Roll Pins To Ref. No. 9 Of Drg. No. Skvl-189 To Be Fix Ed By Drilling On The Block At Both Sides Of The Adjusting Bolt Tail End To Create Efficient Locking Mechanism Warra Nty Period: 30 Months After The Date Of Delivery