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The Moroso louvered windage tray for GM LS engines with ARP main cap studs is configured to work with that specific main stud arrangement. It provides internal oil-control to reduce windage and complements LS builds that use ARP-studded main caps. This tray is aimed at high-detail engine assemblies where part compatibility with studded mains is necessary for correct fit and function.
Moroso GM LS w/ARP Main Cap Studs Louvered Windage Tray
