The Project Kics Compression Bolt for Racing Nut is a new part released by Project Kics to prevent the loosening of your lug nuts utilising a unique built-in steel ball and spring inside the aluminium bolt.
Features
- Suitable for open-ended Project Kics designed lug nuts only
- Includes built-in steel ball and spring in aluminum bolt
- Increases effective locking and prevents loosening through compression and spring bolt action
- Installed using a 6HEX L wrench that is included
- Tighten to a maximum of 4Nm (0.4kgf/m)
- Requires 8mm thread to be fitted inside the lug nut
- Unique patent pending part developed by Project Kics
- Includes set of 20
We ship to the United States and 150 other countries.
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| Vehicle | Color | Thread | Price | Order | |
|---|---|---|---|---|---|
| CB281K | |||||
| Universal | Black | M12 x P1.5 | | | |
| CB283K | |||||
| Universal | Black | M12 x P1.25 | | | |
| CB281U | |||||
| Universal | Blue | M12 x P1.5 | | | |
| CB283U | |||||
| Universal | Blue | M12 x P1.25 | | | |
| CB283A | |||||
| Universal | Gold | M12 x P1.25 | | | |
| CB281R | |||||
| Universal | Red | M12 x P1.5 | | | |
| CB283R | |||||
| Universal | Red | M12 x P1.25 | | | |
| CB281S | |||||
| Universal | Silver | M12 x P1.5 | | ||
| CB283S | |||||
| Universal | Silver | M12 x P1.25 | | | |
| Vehicle | Color | Thread | Price | Order | |
|---|---|---|---|---|---|
| CB381K | |||||
| Universal | Black | M12 x P1.5 | | | |
| CB383K | |||||
| Universal | Black | M12 x P1.25 | | | |
| CB381U | |||||
| Universal | Blue | M12 x P1.5 | | | |
| CB383U | |||||
| Universal | Blue | M12 x P1.25 | | | |
| CB383A | |||||
| Universal | Gold | M12 x P1.25 | | | |
| CB381R | |||||
| Universal | Red | M12 x P1.5 | | | |
| CB383R | |||||
| Universal | Red | M12 x P1.25 | | | |
| CB381S | |||||
| Universal | Silver | M12 x P1.5 | | ||
| CB383S | |||||
| Universal | Silver | M12 x P1.25 | | | |
| Color | Thread | Length | Price | Order |
|---|---|---|---|---|
| CB281A | ||||
| Gold | M12 x P1.5 | 28 mm | DISCONTINUED This part is no longer available | |
| CB381A | ||||
| Gold | M12 x P1.5 | 38 mm | DISCONTINUED This part is no longer available | |
Kics is the wheel accessories brand of Kyo-ei Industrial, a Japanese maker of automotive accessories for more than 50 years. It makes lug nuts, locking nuts, wheel spacers, hub rings and valves.
Its best-known product is the Leggdura Racing nut, forged in Japan from A7075-T6 aluminium and weighing around 22 grams each, which comes in several anodised colours. Kics parts are made to fit Japanese cars and wheels, in every common thread size.
Associated JDM Parts
Kics Racing Gear LEGGDURA RACINGEL53 Lock & Nut Set
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About NENGUN
Since the year 2000, NENGUN has supplied over 500,000 parts direct from Fukuoka, Japan to 170 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.










