YAMAHA YFZ450 ATV ALL YEARS AND APPLICATIONS. The bushings also fit most aftermarket a arms as well !!! The bushings are made from a durable urethane used and tested for xc racing by former GT Thunder. The come made with grease grooves in them to keep grease dispersed evenly across bushing to keep them lasting even longer. All bushings come with a one year replacement from manufacture defects. If you have any questions please contact us thru ebay message Thank You. We also have them for several applications