DEI Boom Mat floor damping kit for 1973–1987 Chevrolet/GMC Regular Cab 4WD with high hump, built to reduce road and engine noise and control vibrations. The kit contains multiple precut Boom Mat sheets, a roll of Boom Mat tape, and an installation roller for accurate placement. Peel‑and‑stick application simplifies installation and provides targeted damping for the cabin floor.
DEI 73-87 Chevrolet/GMC Regular Cab 4WD w/High Hump Interior Floor Damping Kit