Boss Bearing 42-1026B Ball Joint Kit Suzuki King Quad Eiger Vinson 02-25

The Boss Bearing 42-1026B ball joint kit delivers precision-engineered, OEM-matching front suspension performance across the full Suzuki King Quad, Eiger, and Vinson lineup — covering both upper and lower positions on LT-A400, LT-A400F, LT-A400FZ, LT-A500F, LT-F400, LT-F400F, and LT-F500F models in both 2WD and 4WD configurations from 2002 through 2025. Built to meet or exceed factory specifications for a direct drop-in fit, this kit eliminates the vague steering, uneven tire wear, and loose front end feel that worn ball joints cause and gives your Suzuki back the stable, confident handling it was designed around. Whether you're maintaining a long-running King Quad 4WD that still has years of trail and utility work ahead of it, refreshing a classic Eiger, or keeping a Vinson 500 in top condition, the 42-1026B is the reliable, long-lasting ball joint solution your Suzuki deserves.