These qualiity ABS kick panels are designed to fit a 5-1/4" speaker (with tweeter option) into your 1981-87 Chevrolet & GMC Truck, Blazer, Suburban and Crew Cab with factory A/C and full panels. No need to cut your doors or cab to get that full stereo sound in your squarebody. These will work for all 1973-1987 trucks with factory A/C, no A/C, full or half panels with slight modifications.