z06 corvette
Made by Chevy in 1963 to quality them for pro road racing. The Z06 was and still is the top performing Corvette model.
Example:
List of years/included equipment for the Z06 Corvette:
1963- 36.5gal fuel tank, special heavy-duty suspension, aluminum brake drums (w/ metallic linings), brake cooling ducts, close-ratio 4-speed transmission, high-performance bias-ply tires on 15" alloy wheels
2001-04- 405hp OHV V8, special suspension, upgraded wheels/tires
2006- 505hp LS7 engine, larger diamter sway bars, stiffer-valved shocks, cross-drilled brake rotors, aluminum frame, magnesium engine cradle & roof, carbon fiber fenders
List of years/included equipment for the Z06 Corvette:
1963- 36.5gal fuel tank, special heavy-duty suspension, aluminum brake drums (w/ metallic linings), brake cooling ducts, close-ratio 4-speed transmission, high-performance bias-ply tires on 15" alloy wheels
2001-04- 405hp OHV V8, special suspension, upgraded wheels/tires
2006- 505hp LS7 engine, larger diamter sway bars, stiffer-valved shocks, cross-drilled brake rotors, aluminum frame, magnesium engine cradle & roof, carbon fiber fenders