You are looking at a NEW Syncro Ring x1 to suit Aussie 4 speed gearbox. 1x Syncro ring V8 or 6cyl Any ratio gearbox (ie M20, M21 and M22). We also have these available in kits of 4 rings. These little suckers make a real difference to any 'box rebuild as they help slow the spinning gear down which makes for nice and smooth and crunch-free gear-changes. Thanks for looking and don't forget to check out all of our Restoration Essentials in our store. Your parcel will have a unique tracking number which will be sent to you via email on dispatch so you can keep an eye on your delivery.