The Nihilo Concepts Yamaha YZF Chain Adjuster Blocks are made from 6061 Billet aluminum for strength and durability. The stock adjusters are much weaker and do not have adjuster marks engraved in them for easy adjustment. The Nihilo Concepts Adjusters are legal in the Stock class in all AMA and NMA events and is a must have for the serious racer.
- 2014-2019 YZF 250
- 2014-2019 YZF 450
- Actual anodized color may vary from image