Stem Cotter Locker Set Fit For YX 150cc 160cc For Pit Dirt Bike Motorcycle Engine Parts Fit For YX 150cc 160cc For Pit Dirt Bike solid cotter pins lockers Fit For rust-proof coating against mud water off-road size steering column front fork mounting holes for tight locking without loosening Complete matched set contains all required cotter locker components for one-time steering system Hardened structure vibration from bumpy trail riding to avoid steering column displacement Direct bolt-on installation without or , compatible Fit For YX 150 160 steering assembly