A must have tool for the enthusiast and especially pre 1968 Triumph and BSA owners that have no primary side timing marks! This tool screws into the plug thread as shown and you can find TDC, note the timing mark, then mark off wherever you want for your timing. Simple!
Can be used on just about any engine with 14mm thread diameter spark plug holes
Please note: Due the nature of the product, we unfortunately do not accept returns on bearings, service tools or electrical components. Please be confident about your purchase before ordering. If you have questions, please contact us.