Michelin XWX 225/70VR15 Tire The only radial tire which could be fitted on the fastest cars in the world in the 1970s, the Michelin XWX gives these high speed vehicles outstanding road holding ability and remarkable grip. Michelin XWX tires featured construction designed to reach an incredible 186 mph top speed. The special features of the XWX result in remarkable performance, combining speed, driving pleasure and safety. The original design of its internal construction, together with its flexible carcass give exceptional comfort when traveling at very high speeds. Being a VR category tire, the XWX can be used at speeds in excess of 210 kph (131 mph) ; with a maximum speed of 270 kph (155 to 186 mph). At the end of the 1960s, Germany and Italy were the leaders in the European motorway development program and were also the main producers of cars which could reach speeds in excess of 200 km/h, (124 mph). The wide asphalt strips and the absence of speed limits offered a privileged few the opportunity to make full use of the performance of these "super-cars" at speeds which would be unthinkable today. The Lamborghini Miura (1966), Ferrari 365 (1965), Maserati Ghilbi (1966) ; de Tomaso Pantera (1970) and Porsche 911 Carrera RS (1972) were the undisputed stars, but the large German saloons like the Mercedes 300 SE 6,31 (1968) and BMW 3.0 SI (1971) also made a strong impression. The French were also in the high speed game with the Citroen SM (1970) as were the British with the legendary Jaguar V12 E-Type (1970) and Aston Martin DBS (1967). W Speed Rating W Speed Rated: Up to 168 mph (270 km/h). Often required OE for very high performance trim level automobiles. Michelin XWX tire Grip for ultimate 70s supercars. The special architecture of the XWX ensures it delivers high performance that combines speed, driving pleasure and safety. Michelin Brand Collector Vehicle Tires Michelin is known for its high quality tires, and we keep thousands of popular Michelin tires in stock every day. Our Michelin product offerings include fitments from the 1920's all the way into the 2000's, with an intense focus on classic sports cars. Build quality, fitment options and period correct styling makes the Michelin product line a favorite among sports car enthusiasts around the world. P225/70R15 Tire Conversion Chart Similar Size Bias Ply Alternative: 710-15 Similar Size Bias Ply Alternative: 825-15 Similar Size Bias Ply Alternative: G78-15 Similar Size Bias Ply Alternative: G70-15 Similar Size Radial Alternative: 205R15 Similar Size Radial Alternative: P215/75R15 Similar Size Radial Alternative: 710R15 Suggested 6-8 inch wide rim. P225/70R15 Fitment Chart 1980-84 Aston Martin V-8 Base (OE with 225/70HR15) 1983 Buick Riviera T-Type/Luxury/Anniversary (OE with P225/70R15) 1984 Cadillac Eldorado Biarritz/Diesel (OE with P225/70R15) 1980-81 Chevrolet Camaro Z28 (OE with P225/70R15) 1980-82 Chevrolet Corvette Base (OE with P225/70R15) 1990-91 Ford LTD Crown Victoria Police Pkg. (OE with P225/70HR15) 1996-01 Jeep Trucks Cherokee Sport (Police Pkg.) (OE with P225/70R15 100H) 1980-86 Maserati Quattroporte Base (OE with 225/70VR15) 1982 Mercury Marquis w/Police Pkg. (OE with P225/70R15) 1980-81 Pontiac Firebird Formula w/aluminum wheels (OE with P225/70R15) 1980-81 Pontiac Firebird Trans Am (OE with P225/70R15) 1980-81 Pontiac Firebird Trans Am w/Performance Pkg. (OE with P225/70R15) Fits these models and others. Please refer to your owners manual for details on the correct tire fitment requirements.