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Lightweight Shifts With an Upgraded Look
The GrimmSpeed Shift Knob Delrin gives Subaru drivers an easy way to upgrade the look and feel of their shifter without adding weight. GRMGRM038007 is machined from Delrin, an extremely durable thermoplastic, right in Minnesota, and keeps the same hybrid grip shape found on the stainless steel version while weighing a fraction as much. It is a favorite for drivers who want a factory like shift feel with a more finished appearance and a laser etched GrimmSpeed logo around the base. GRMGRM038007 threads directly onto the factory shifter using the universal M12x1.25 pitch shared by manual Subaru transmissions.
Key Features
- Machined from durable Delrin thermoplastic
- Lightweight design preserves a factory like shift feel
- Hybrid grip shape comfortable for overhand or side grip shifting
- Laser etched GrimmSpeed logo around the base
- M12x1.25 universal thread pitch
- Machined in Minnesota
Specifications
| Detail | Value |
|---|---|
| SKU | GRMGRM038007 |
| Manufacturer Part Number | 038007 |
| Material | Delrin Thermoplastic |
| Thread Pitch | M12x1.25 |
| Weight | Approximately 120 grams |
| Finish | Black Delrin |
| UPC | Not published by manufacturer |
What's Included
- 1 GrimmSpeed Shift Knob Delrin (GRMGRM038007)
About GrimmSpeed
GrimmSpeed is a Minnesota based performance company focused on Subaru and turbocharged platforms. GRMGRM038007 reflects their approach of pairing everyday usability with precise machining and materials selected for long term durability.
Related Parts
- GrimmSpeed Shift Knob Stainless Steel Subaru 5 Speed and 6 Speed Manual Transmission
- GrimmSpeed Stubby Shift Knob Black Delrin M12x1.25
FAQ
What is the 038007?The 038007 is the GrimmSpeed Shift Knob Delrin, a lightweight thermoplastic shift knob built for manual Subaru transmissions with an M12x1.25 thread.
Does GRMGRM038007 fit both 5 speed and 6 speed transmissions?Yes, it is designed to thread directly onto both 5 speed and 6 speed Subaru shifters.
Do I need extra parts to install this on a 5 speed?A shift boot retainer is recommended for 5 speed applications to keep the shift boot properly seated, sold separately.
How does GRMGRM038007 compare to the stainless steel version?It offers a similar shape and grip but is significantly lighter, giving more of a factory feel while still upgrading the look.
What material is the knob made from?It is machined from Delrin, a durable engineering thermoplastic known for resisting wear and temperature changes.
Is installation difficult?No, GRMGRM038007 simply threads onto the shifter shaft by hand after removing the factory knob.
Will this fit non Subaru vehicles?Any vehicle with an M12x1.25 threaded shifter can accept this knob.
Is there a warranty on this part?Yes, GRMGRM038007 is covered under GrimmSpeed's standard limited warranty.
Install Instructions
- Ensure the vehicle is parked with the parking brake engaged and transmission in neutral.
- Unscrew the factory shift knob counterclockwise to remove it.
- Install a shift boot retainer first if using this knob on a 5 speed model.
- Thread GRMGRM038007 clockwise onto the shifter shaft until it is snug.
- Confirm the knob is secure before driving.
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