Louvered Windage Tray; Mount w/PN[382610] For 2 Bolt Main; Mount w/PN[38280] For OEM 4 Bolt Main Or Use Stock Ext. Main Cap Studs; Teflon Coated; Trimming May Be Needed; • Louvered design allows oil thrown from rotating assembly to drain into sump without splashing back • Teflon coated for quick drainage • Improved drainage reduces windage, increases power • Mount with aftermarket stud kits or with stock extended main cap studs • Fits Moroso Oil Pans, some trimming may be required