Upgrade your small block V6 or V8 engine with this pack of 5 windage tray bolts and studs. These performance-grade bolts feature 7/16-14 threading for a secure and reliable fit into your engine block, ensuring proper mounting of the windage tray for improved oil control. Designed as a direct replacement for OE part numbers 12561389, 14091675, and 16-54790, these bolts are compatible with a range of small block engines, including 4.3L, 5.0L, and 5.7L configurations. Manufactured in the USA with high-quality materials, they are ideal for both automotive and marine applications. Whether you're rebuilding, upgrading, or maintaining, these bolts provide the reliability and performance you need to keep your engine running smoothly. Engine Quest produces high-quality OE-style replacement parts. Each part undergoes rigorous testing and inspections to meet EngineQuest's exact specifications. Designed for precision manufacturing and durability, our products ensure easy installation. With nearly 500 SKUs available, the company specializes in hard-to-find, in-demand parts, including those no longer available from the OEM, difficult to salvage, or with prohibitively high OEM costs.