SFI 29.1 Certified Automatic Transmission Flexplate

The Hays 12-049 is a performance automatic transmission flexplate engineered for demanding applications in Big Block and FE Ford engines. Its heavy-duty design utilizes a steel plate that is thicker than stock, providing superior durability to withstand the rigors of high-stall torque converters and high-RPM operation, preventing common failures like cracking around the crankshaft hub. This flexplate comes with a securely welded ring gear and offers dual bolt patterns, ensuring flexibility when adapting to different transmission torque converter styles. Key features include SFI 29.1 certification, ensuring it meets safety standards for racing and high-performance use. The flexplate is also zinc-dichromate plated to effectively resist corrosion, extending its lifespan. It is designed for internal engine balance and has 184 teeth. The center bore diameter is 2.500 inches. This flexplate is specifically compatible with 1957-1968 332-428 FE Ford engines and 1968-1997 429-460 Big Block Ford engines. It carries a Manufacturer's 90 Day Warranty.