GMW3121GS-5-3-R-1 1998 Edition, November 1998 GENERAL SPECIFICATION FOR AIR BAG MODULE COMPONENTS - PART 3: ROOF RAIL AIR BAG MODULES REQUIREMENTS **GMW RESTRICTED/CONFIDENTIAL STANDARD – TO PURCHASE CALL 1-800- 854-7179 USA/CANADA OR 303-397-7956 WORLDWIDE.