1968-72 GM A-body Chevelle, GTO, 442, GS, 70-72 Monte Carlo, 69-72 Grand Prix. AC & Non AC Heater Box Heat Deflector. Used to deflect heat at floor center hump. Applications: 1968-72 GM A-body Chevelle / GTO / Cutlass / Skylark 1970-72 Monte Carlo, 69-72 Grand Prix 1968-72 Elcamino.