?elifecenter Elifencenter 1/2" NPT Port Heavy Duty 2500 lbs Double Air Bags Suspension for Trucks, Diameter 6", Extended 8.35", Closed 2.75" ?One Mounting Holes in Bottom? AS_GMC_2E2500X2 is up for auction in Automotive. The current bid is $27.00, 66% below the $79.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.