Building or rebuilding a small block Chevy? You'll need a tough, reliable flexplate like this TCI 399273. It's SFI 29.2 approved, which means it's been tested and certified for performance use – great for street, strip, or high-revving applications. Designed for GM small block and big block engines (covers 283 to 427 cubic inches), this forged flexplate is internally balanced and comes with a 168-tooth count. It's got both large and small bolt patterns, so it should fit a variety of setups without issues. The part number is 399273, and it's sold as a vehicle-specific fit. Weighing about 6.95 pounds, it's sturdy without being overly heavy. Whether you're swapping an engine, upgrading your drivetrain, or just need a replacement that can handle some power, this TCI flexplate is a solid choice. It's all about durability and proper balance, helping your engine run smoothly under load. Just match it up with your engine's balance type and bolt pattern, and you're good to go. No frills, just a well-made component that does its job.