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T-Spec GM Post Long Battery Terminal

Long side-mount battery terminal

Item #: 120GML

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Solid brass terminal

Replace your vehicle's side-mount battery post with this terminal from T-Spec. The longer length of this post allows you to use the terminal for all of your vehicle's factory wiring plus multiple ring terminals for audio components. This heavy-duty black nickel-plated brass post can be used on either positive or negative battery terminals. Warranty: 1 year.

T-Spec GM Post Long Battery Terminal Reviews

Average Customer Review:

1 Review

Nice product

Written by: powell0329 from West Virginia on March 16, 2014

Crutchfield Customer Review (What's this?)

Works awesome

Pros: Helps to make installing additional power wires a snap and you don't have to take the entire battery terminal out to make changes

Cons: None

Hands-on research

What's in the box?

Download owner's manual

  • GM battery side post (long)
  • Screw insert

Product Research


GM Post (Extended Length): This package contains a T-Spec GM side post battery terminal (extended length). The solid brass terminal has a flat-black finish.


  • Overall Dimensions:
    • Length: 1.905"
    • Diameter: 0.75"
  • Side Post Mount:
    • Length: 1.705"
    • Diameter: 0.75"
    • Thread Size: 3/8"D x 0.875"L
  • Screw Insert:
    • Length: 0.755"
    • Diameter: 0.545"
    • Thread Size: 5/16"D x 0.5"L

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