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The Prothane upper engine mount insert for 1995–2004 GM J-body applications replaces the worn factory insert to improve mount support and cut excess engine movement. Finished in black, this direct-fit insert helps stabilize the motor to reduce driveline lash and minimize vibration under load. It's intended as a like-for-like replacement for the listed J-body vehicles.
Prothane 95-04 GM J-Body Upper Engine Mount Insert - Black
