If you hear a clunk or bump when you accelerate or left off the gas on your MGB it most likely is the gearbox buffers have gone south. This kit includes the Gear box Tie Bar Buffer Mounts( Rubber), Buffer Bushing Vertical Pin and the nuts and washers for the Tie Bar and Vertical Pin. Get rid of the clunk on your MGB 4-Syncro Gear Box with this Kit.