Flywheel Bert /Brinn 91t Chevy Late 1pc Alum

The Flywheel Bert/Brinn 91t Chevy Late 1pc Aluminum is a precision-engineered flexplate replacement designed specifically for high-performance small-block and big-block Chevrolet engines using late-model automatic transmissions. This component is ideal for builders and mechanics focused on street performance builds, turbo conversions, and transmission swaps where weight reduction and reliability are crucial.

Constructed from lightweight aluminum alloy, this single-piece design replaces traditional cast-iron flexplates, reducing rotational mass and inertia to enhance throttle response and acceleration. The one-piece construction minimizes weak points found in multi-piece assemblies, reducing flex and harmonics under load, which is particularly beneficial for applications involving forced induction or nitrous oxide.

This flexplate is purpose-built for late-model Chevrolet platforms with automatic transmissions, making it an excellent choice for restoration hot rods and LS engine swaps into vintage chassis. Weighing just 2.3 pounds, it offers significant weight savings compared to OEM cast iron, translating to improved acceleration and reduced strain on engine components.