Ferrari 308 Speed line wheels 16X7 and 16X8 Three Piece Search for: Advanced Search Place Ad Edit Ad Browse for Vintage Cars & Parts Search Ads Ferrari 308 Speed line wheels 16X7 and 16X8 Three Piece Click to enlarge image. Contact Information Contact Paul Price: $ 3,900.00 More Information Speedline 3 Piece lightweight aluminum racing wheels to fit Ferrari 308 GTB & GTS. Two 16 X 7 and Two 16 X 8 rims. The set comes with a center cap wrench. All wheels are straight and not curb damage. This Ad has been viewed 11 times.