SKU: ATI406491
MPN: 406491
The Locking Trans. Dipstick & Tube – TH400 B.O.P. by ATI Performance is a precision transmission service tool designed for builders and mechanics working with Turbo 400 transmissions in Buick, Oldsmobile, and Pontiac vehicles. This tool addresses a common issue in transmission maintenance: fluid level drift caused by vibration and engine movement during operation.
The locking dipstick assembly features a mechanism that securely holds the dipstick in place, preventing it from shifting within the tube during acceleration, deceleration, or hard cornering. This ensures accurate readings whether the vehicle is running or at rest. The tube is precision-fit for B.O.P. transmission housings, allowing for proper sealing and repeatability.
This product is particularly beneficial for TH400 owners with modified engines, performance builds, or vehicles subjected to sustained high-RPM operation. By maintaining factory appearance and functionality, it effectively solves the accuracy problems that can arise with stock configurations during real-world driving diagnostics.
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