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A 95mm pink blossom resin shift knob

Choosing a Shift Knob Size: 60mm to 254mm, Expl...

What the size number actually measures, what changes as it goes up, and why the biggest sizes are the ones show builds ask for most.

Choosing a Shift Knob Size: 60mm to 254mm, Expl...

What the size number actually measures, what changes as it goes up, and why the biggest sizes are the ones show builds ask for most.

A 115mm purple blossom butterfly resin shift knob

Gift Ideas for the Manual Transmission Driver i...

What actually makes a good gift for someone who drives a manual — and how to not worry about getting the fit wrong.

Gift Ideas for the Manual Transmission Driver i...

What actually makes a good gift for someone who drives a manual — and how to not worry about getting the fit wrong.

A 95mm blossom resin shift knob

Are Aftermarket Shift Knobs Safe to Drive With?

A straight answer on aftermarket shift knob safety, including the one real airbag-related exception — and why it doesn’t apply to manual cars.

Are Aftermarket Shift Knobs Safe to Drive With?

A straight answer on aftermarket shift knob safety, including the one real airbag-related exception — and why it doesn’t apply to manual cars.

A 60mm purple blossom resin shift knob

How to Install an Aftermarket Shift Knob

The full process for swapping in an aftermarket shift knob, step by step, including when you actually need a reducer.

How to Install an Aftermarket Shift Knob

The full process for swapping in an aftermarket shift knob, step by step, including when you actually need a reducer.

A 140mm black rose resin shift knob

Do Weighted Shift Knobs Actually Improve Shifting?

What extra mass in a shift knob actually changes about how a car shifts, what it doesn’t, and where a lighter resin knob fits in.

Do Weighted Shift Knobs Actually Improve Shifting?

What extra mass in a shift knob actually changes about how a car shifts, what it doesn’t, and where a lighter resin knob fits in.

A 60mm oni mask resin shift knob

What Does "JDM" Actually Mean?

JDM stands for Japanese Domestic Market — what that actually means, and why the aesthetic shows up on cars that were never sold in Japan.

What Does "JDM" Actually Mean?

JDM stands for Japanese Domestic Market — what that actually means, and why the aesthetic shows up on cars that were never sold in Japan.