11-19 GM 2500/3500HD Allison 2WD, 20-23 6L90 4WD Transmission Mount-Red 70A Hardness (Race/Competition) Pacific Performance Engineering " BILSTEIN SHOCKS We've developed this bracket with

11-19 GM 2500/3500HD Allison 2WD, 20-23 6L90 4WD Transmission Mount-Red 70A Hardness (Race/Competition) Pacific Performance Engineering " BILSTEIN SHOCKS We've developed this bracket withThe PPE Performance Transmission Mount is a critical upgrade for any GMC Chevrolet HD truck owner seeking superior durability, performance, and reliability. Factory transmission mounts, notorious for their weak rubber compounds and high shear load design, can degrade quickly under stress. These stock mounts often lead to excessive vibration, driveline misalignment, and hard shifting especially under sustained heavy loads or during aggressive driving.

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