17.5" c-c I believe. If this had been a 91 or 92 I wouldn't be telling anyone! 
https://www.ebay.co.uk/itm/32553302...Y9jyarfRly&var=&widget_ver=artemis&media=COPY
https://www.ebay.co.uk/itm/32553302...Y9jyarfRly&var=&widget_ver=artemis&media=COPY
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
