Engine will take a total of 6.2 quarts of oil including the stock filter. Low profile oil pan design. Will not fit the LS7 engine or engines with a stroke greater than 3.620 in. Requires use of LS3 dipstick (GM part number 12634547) and tube (GM part number 12625031). See the “required parts” tab. Designed to use a GM F-body windage tray, GM part number 12558253. A modification to the windage tray is required to provide clearance to the pick-up tube. A full-length windage tray may be used if the front quarter of the tray is removed. See the attached instruction sheets to see the windage tray modifications required. Engine location may need to be adjusted (up/down or forward/after) for proper clearance