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BMR MM460 polyurethane motor mount kit for 1978–1987 GM G-Body is a full upper and lower assembly manufactured from MIG-welded 3/16-inch plate steel with 95-durometer polyurethane bushings and Grade 8 hardware. The bolt-in design limits engine movement compared to factory mounts, aiding throttle response and shift accuracy while keeping occupant NVH moderate. Installation time is approximately 2–3 hours; made in the USA.
BMR 78-87 G-Body Motor Mount Kit Upper & Lower Poly - Red
