ReadyLift 66 3050 2000 10 CHEV GMC 2500 3500HD 2.5'' Front Leveling Kit (Forged Torsion Key) P 06 074 This replacement transmission oil pan Size:6' x 9' This replacement transmission oil pan is a direct replacement for a damaged original equipment transmission pan Entry Door Square Door 26 Inch Width x 78 Inch Height Right Side Hinges Polar White With Pebble Interior And Smooth Exterior 12 Inch x 21 Inch Window With Obscure Glass And White Frame With White Extrusion In order to keep these tight tolerances the Torsion Key to Torsion Bar tolerances are extremely tight to insure the integrity of the key or Torsion Bar relationship