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Aug 03, 2026 - 04:01 PM
We’ve provided several answers to questions related to 400 Series Power Steering Gear Box , see some other helpful Q&A related to this product.
Question: Is the steering box compatible with 1958 GMC trucks with stock front suspension?
Answer: Yes, it is compatible with 1958 GMC trucks with stock front suspension. This compatibility means owners can enjoy the benefits of power steering with their original suspension setup.
Question: Is the steering box compatible with 1955 GMC trucks with stock front suspension?
Answer: Yes, it is compatible with 1955 GMC trucks with stock front suspension. This compatibility allows GMC owners to upgrade their classic trucks without sacrificing originality.
Question: Does this steering box require column modification?
Answer: Yes, installation will require modification to the steering column. Modifying the column is necessary to ensure correct alignment and fitment with the upgraded power steering box, which helps achieve smooth operation and safety.
Question: What is the input shaft size for this steering box?
Answer: The input shaft is ¾ inch with 30 splines, often referred to as a ¾"-30 input shaft. The size and spline count are important for ensuring compatibility with steering columns and couplers, making installation straightforward for classic truck owners.
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