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The Prothane upper engine mount insert for 1995–2004 GM J-body applications replaces the factory insert to restore proper mounting alignment and reduce engine movement. This red insert provides firmer support for the motor, helping to minimize driveline lash and unwanted vibration during acceleration and deceleration. It's a direct-fit replacement for the specified J-body models.
Prothane 95-04 GM J-Body Upper Engine Mount Insert - Red
