Will not damage the A-arm, ball joint stud or rubber boot. Complete with instructions. Designed to work on the following ATV models: Honda TRX250R 86-89, TRX250X 87-88, 91-92, TRX250 Recon 97-01, TRX300EX 93- 01. Yamaha YFZ350 87-01 and YFM350X 87-01