Summit Racing SUM-770800: Frame Brace, Chassis Stiffening, Steel, Natural, GM, A-Body, Kit - Summit Racing frame brace kits will provide your vehicle with a tight, predictable feel.These braces are constructed from DOM tubing that has been computer designed, machined, and bent for ...Summit Racing SUM-770800: Frame Brace, Chassis Stiffening, Steel, Natural, GM, A-Body, Kit - Summit Racing frame brace kits will provide your vehicle with a tight, predictable feel.These braces are constructed from DOM tubing that has been computer designed, machined, and bent for consistent fitment. Summit Racing frame brace kits supply the reinforcement your chassis needs.. Summit Racing SUM-770800 fits these applications: 1970-1972 BUICK GS BASE, 1970-1972 BUICK GS 455 BASE, 1968-1972 BUICK SKYLARK BASE, 1968-1972 BUICK SKYLARK CUSTOM, 1970-1972 CHEVROLET CHEVELLE BASE, 1968-1972 CHEVROLET CHEVELLE MALIBU, 1968-1972 CHEVROLET CHEVELLE SS, 1970-1972 CHEVROLET MONTE CARLO BASE, 1968-1972 OLDSMOBILE CUTLASS BASE, 1971-1972 OLDSMOBILE CUTLASS S, 1968-1972 OLDSMOBILE CUTLASS SUPREME BASE, 1968-1972 OLDSMOBILE F85 BASE, 1968-1972 PONTIAC GTO BASE, 1968-1972 PONTIAC LEMANS BASE, 1970-1972 PONTIAC LEMANS SPORT, 1968-1971 OLDSMOBILE 442 BASE, 1970-1971 PONTIAC GTO THE JUDGE, 1968-1970 PONTIAC TEMPEST BASE, 1968-1969 BUICK GS 350 BASE, 1968-1969 BUICK GS 400 BASE, 1968-1969 BUICK SPECIAL BASE, 1968-1969 CHEVROLET CHEVELLE 300 DELUXE, 1968-1969 PONTIAC TEMPEST CUSTOM.