Dunlop Motorsport Tyres Motorsport Racing Tyres / Dunlop Racing Tyres / L Section / 550 L14 Dunlop Historic Race Tyre 550 L14 Dunlop Historic Race Tyre Original racing tyre for MGB and saloon variants, including Vauxhall VX4/90. FIA Appendix K required tyre in historic racing. Tyre Size Information: Size 550L14 Pattern CR65 Permitted Rim Width 4.0 – 6.5" Optimum Rim Width 5.5" Diameter Overall 631mm (24.8") Width Overall 198mm (7.8") Tread Width 128mm (5") Revs Per Mile @100mph 812 Request Quote: Name: Email: Mobile: Comment: Thank you! We have received your request and a member of our team will be in touch shortly. Our Services Read more Read More Read More Read More