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Add a Splash of Color with the Same Comfortable Tallboy Grip
If you want the same weighted, comfortable feel as the standard Tallboy knob but with a bolder look, the GrimmSpeed Tallboy Shift Knob in red anodized aluminum delivers. It shares the same tall-boy profile and M12x1.25 thread pitch, making it a straightforward swap for most Subaru WRX and STI shifters and other compatible Japanese vehicles, while giving the interior a pop of color.
Key Features
- Machined aluminum construction for durability and added heft
- Red anodized finish resists wear and corrosion
- Tall-boy profile designed for comfortable hand placement
- M12x1.25 thread pitch fits most Subaru WRX/STI and other compatible Japanese vehicles
- Simple thread-on installation with no special tools required
Specifications
| Detail | Value |
|---|---|
| Brand | GrimmSpeed |
| Part Number | GRM380008 |
| Material | Aluminum |
| Finish | Red Anodized |
| Thread Pitch | M12x1.25 |
| Profile | Tallboy |
What's Included
- GrimmSpeed Tallboy Shift Knob, red
- Thread adapter(s) if required for specific thread pitches
About GrimmSpeed
GrimmSpeed builds performance and styling parts primarily for Subaru enthusiasts, offering interior upgrades like this shift knob alongside its engine and chassis components.
FAQ
What is the GrimmSpeed Tallboy Shift Knob in red?
It's an aluminum shift knob with a tall-boy profile and red anodized finish, built with an M12x1.25 thread pitch to fit most Subaru WRX and STI shifters and other compatible Japanese vehicles.
Will this fit my automatic transmission Subaru?
This knob is designed for manual transmission shifters using the M12x1.25 thread standard; it is not intended for automatic shifters.
How do I know if my thread pitch matches?
Most Subaru WRX and STI manual shifters use M12x1.25 threads; if you're unsure, measure your factory knob's threading or check your vehicle's specifications.
Is the red finish paint or anodized?
It's a red anodized finish, which resists fading and wear better than standard paint.
Does it come with thread adapters?
Some GrimmSpeed shift knobs include adapters for compatible non-M12x1.25 applications; check the included hardware for your specific vehicle.
Will this knob get hot in direct sunlight?
Aluminum knobs can conduct heat, so it may feel warmer than a plastic knob when parked in direct sun.
Is installation reversible?
Yes, it threads on and off just like the factory shift knob.
Is this the same shape as the black Tallboy knob?
Yes, it shares the same tall-boy profile and dimensions, differing only in the red anodized finish.
Install Instructions
- Park the vehicle and engage the parking brake
- Unthread the factory shift knob counterclockwise to remove it
- Confirm the shifter thread pitch matches M12x1.25 or use the appropriate adapter
- Thread the GrimmSpeed Tallboy Shift Knob onto the shifter clockwise until snug
- Verify the knob is secure before driving
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