SKU: ARPRWS-5B
MPN: RWS-5B
The ARP Stud 7/16 x 4.90 Ford Windage Tray is a precision fastener designed for high-performance engine builders and serious mechanics who demand reliability in critical internal engine applications. Windage trays reduce oil churning losses and prevent crankshaft aeration by controlling splash oil flow within the pan, directly improving horsepower delivery and engine efficiency. This 7/16-inch chromoly stud is engineered to withstand the mechanical stress and thermal cycling that occur during aggressive driving, forced induction, and extended high-RPM operation—making it essential for built engines destined for track use, street performance, or racing competition.
Manufactured from chromoly steel and finished in black oxide, this 4.90-inch stud delivers superior tensile strength and fatigue resistance compared to standard hardware. The 7/16-inch thread diameter provides adequate clamping force for secure windage tray mounting while maintaining compatibility with Ford's OEM and aftermarket pan designs. Black oxide coating offers corrosion resistance and a clean, professional appearance under the pan—practical considerations for both street cars and show vehicles. At just 0.14 pounds, individual studs are lightweight yet robust enough to handle repeated assembly, disassembly, and the dynamic loads imposed by crankshaft motion and engine vibration.
This fastener is ideal for Ford engine builds, including small-block and big-block applications where windage tray installation is part of a comprehensive oiling system upgrade. Whether you're rebuilding a carbureted classic, a modern EFI performance engine, or preparing a competition mill, ARP studs provide the reliability and consistency that separates quality builds from mediocre ones. Installation requires no special tools beyond standard wrenches or sockets, and the stud length accommodates both factory pan geometries and aftermarket baffled designs. Purchase as a single stud for replacement or buy in quantity for complete windage tray fastener kits.
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