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Add a stable round grip without locking into one thread size
GReddy 14500591 combines a black Duracon round knob with a metal mounting adapter for a rigid, moderate-weight shift interface. Three supplied inserts cover M12 x 1.25, M10 x 1.25, and M10 x 1.5 threads, while M8 x 1.25 requires the separately sold adapter.
Key Features
- Black round Duracon resin grip
- Metal adapter supports a rigid mount
- Approximate 20 mm mounting-height adjustment
- Installed weight varies from 115 to 126 g
- Replaceable flat emblem and round cap
- Reverse-lock lever clearance depends on the vehicle
Fitment
| Application Type | Verified Requirements |
|---|---|
| Universal by thread and clearance | Confirm M12 x 1.25, M10 x 1.25, or M10 x 1.5 lever thread, reverse-lock clearance, boot clearance, and installed height. M8 x 1.25 requires the optional adapter. |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | 14500591 |
| Material | Duracon resin with metal adapter |
| Color | Black |
| Shape | Round Type B |
| Included Threads | M12 x 1.25; M10 x 1.25; M10 x 1.5 |
| Optional Thread | M8 x 1.25 adapter sold separately |
| Height Adjustment | Approximately 20 mm |
| Installed Weight | 115-126 g |
What's Included
- One black Type B shift knob body
- Flat emblem and round cap
- Shift-pattern sticker
- Three adapter screws
- Lock screw, wrench, and O-ring
About GReddy
GReddy Performance Products develops Japanese-vehicle performance and interior components. Its Type B knob uses interchangeable thread inserts and adjustable mounting height to support several common manual-shifter interfaces.
Related Parts
- Optional GReddy M8 x 1.25 adapter 14501000 is required for that lever thread and is not included.
FAQ
What is the 14500591?It is the exact black Duracon Type B shift knob kit described in the fitment and specification tables above.
Is this sold as a complete vehicle set?The included quantity is stated in the What's Included section. Unlisted companion parts are not included.
Should fitment be checked before ordering?Yes. Confirm every listed year, model, dimension, mounting interface, and exclusion before ordering.
Does installation require professional service?Professional installation is recommended whenever suspension work, wiring, alignment, or permanent vehicle preparation is involved.
Can a similar part number be substituted?No. A different part number can change dimensions, contents, finish, or vehicle application.
What should be inspected before installation?Inspect the mounting area, factory hardware, clearances, and every mating surface before beginning.
Does the manufacturer warranty apply?Warranty coverage follows the current manufacturer terms and requires correct installation and normal use.
What should be checked after installation?Verify security, clearance, operation, and every manufacturer-required service check before normal use.
Installation Instructions
- Confirm the shift-lever thread, reverse-lock movement, boot clearance, and desired installed height.
- Remove the original knob without damaging the lever, boot, or reverse-lock mechanism.
- Select the correct supplied adapter and thread it onto the clean lever by hand.
- Adjust the knob height within the published range and secure it with the supplied lock screw and wrench.
- Install the selected cap or emblem and the correct shift-pattern label.
- Cycle every gear and the reverse lock before driving, then recheck the mount after initial use.
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