GrimmSpeed Stubby Shift Knob
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GrimmSpeed Stubby Shift Knob - Universal
GrimmSpeed built its reputation on functional, motorsport inspired interior parts, and the Stubby Shift Knob is a shorter, fatter take on their standard knob shape. The extra heft in a shorter package gives a more direct, weighted feel through each gear change, and the shape works equally well whether you drive overhand or prefer a side grip. It suits Subaru and Ford manual platforms that use the correct thread fitment.
This listing covers manual Subaru vehicles fitted with a 5-speed or 6-speed shifter using the M12x1.25 thread, along with the Ford Focus RS (LV / LZ) and Ford Mustang (S550). It's available in raw stainless steel, black, red, or black Delrin finishes — select your preferred option from the variant list above.
Note: On 5-speed Subaru setups the shift boot won't sit as snug without the factory retainer ring; GrimmSpeed's Shift Boot Retainer is sold separately if you want to keep the boot held up properly.
Key Features
- Compact, short and fat profile for a firmer, more direct shift feel
- Weighs 600 g for added heft on every gear change
- M12x1.25 thread, fits 5-speed and 6-speed manual Subaru shifters out of the box
- Also fits Ford Focus RS and Ford Mustang S550 manual shifters
- Laser etched GrimmSpeed logo around the base
- Raw stainless steel or textured powder coat finish options
Vehicle compatibility, thread specifications, and fitment notes are provided in the tabs above. Please confirm your shifter's thread pitch and transmission speed before ordering.
Not sure if this knob suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Ford | Focus RS | LV | - |
| Ford | Focus RS | LZ | - |
| Ford | Mustang | S550 (Facelift) | - |
| Ford | Mustang | S550 (Pre-Facelift) | - |
| Subaru | WRX / WRX STI | - |
Technical Specifications
| Spec | Value |
|---|---|
| Thread Size | M12x1.25 |
| Weight | 0.6 kg (600 g) |
| Available Finishes | Raw Stainless Steel, Black Powder Coat, Red Powder Coat, Black Delrin |
| Construction | Stainless steel or Delrin body with textured powder coat option; laser etched GrimmSpeed logo around base |
No instructions available for this product.

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