Boss Bearing 42-1009B Ball Joint Kit Arctic Cat CF-Moto Honda Yamaha

The Boss Bearing 42-1009B ball joint kit is one of the most versatile front suspension solutions in the Boss Bearing lineup — available in both upper and lower positions and covering an extensive range of Arctic Cat, CF-Moto, Honda, John Deere, and Yamaha ATVs and UTVs from 1988 through 2026. The lower position fits Arctic Cat Stampede and Havoc, CF-Moto Z Force and U Force Rancher, Honda TRX300 through TRX420, John Deere Trail Buck 650, and Yamaha Rhino, Grizzly, Bruin, Big Bear, Kodiak, and Wolverine models. The upper position extends that coverage to add the full CF-Moto U Force 500 through 1000 XL and Z Force 950 lineup, Honda TRX250 Recon, TRX250TE, TRX250TM, and TRX250X/EX Sportrax models. Precision-engineered to meet or exceed OEM specifications for a direct drop-in fit, this kit restores stable, confident front suspension performance across sport, utility, and UTV applications alike. Refer to the fitment table to confirm the correct position for your specific make, model, and year before ordering.