Description
This is a NOS (New Old Stock) set of GM windage tray studs designed for 1965-1972 396, 427, and 454 big block Chevy engines, including models like L78, L88, and L89. The manufacturer part number is 3902885, and it is interchangeable with various other part numbers related to windage tray studs for big block engines. These studs are essential for securing the windage tray in place, helping to prevent oil from splashing onto the rotating crankshaft and improving engine performance.





