Flexplate, 168-Tooth, 4000 RPM Stall

The Hughes Performance HP4000 is a heavy-duty, SFI-approved flexplate engineered for demanding high-performance applications. Constructed from steel, this flexplate measures 0.035 inches thick, making it 0.035 inches thicker than stock to withstand the shock and punishment of high horsepower and high RPM engines. Designed for compatibility with a range of Chevrolet engines, including those up to 454 cubic inches, the HP4000 features a 168-tooth count and supports an external balance weight with a 153-tooth ring gear. It is specifically suited for transmissions such as the Powerglide with a Turbo Shaft, TH350, and TH400. This model is also designed to work with a one-piece rear main seal and features a 4000 RPM stall speed. As part of the XTM and XFM Series, this flexplate is built for durability and reliable performance in competitive driving scenarios. It is a crucial component for ensuring proper power transfer and drivetrain integrity in modified vehicles.