Brake Upgrades sorted by size and performance Stage 1 1988-1994 266.7mm Rotor upgrade, use 1995-1999 Monte Carlo & Lumina 286.0mm Rotor upgrade 1988-1996 W-Body to F-Body Caliper Upgrade 1997-2008 Upgrades can use 98-02 F-Body Caliper/Rotor, 2006+ Chevy W-Body Caliper and Rotors Stage 2 1997-2008 W-Body