Powerflex Transmission Mount Bushing - Heritage Series

Product Details

Deflection Control: Powerflex Heritage Transmission Mount Upgrade

Drivetrain twist is the primary cause of shift-linkage deflection and missed gears under severe load. When accelerating hard out of a corner or downshifting under threshold braking, the factory soft rubber transmission mounts flex out of alignment. The Powerflex PFF5-4655H Bushing Set is an engineered mechanical upgrade that delivers a 150% increase in structural rigidity to stabilize the gearbox housing.

Constructed using premium CNC-machined aluminum top plates and integrated captive bolts, these mounts house a durable 70A durometer polyurethane core from Powerflex's Heritage line. By limiting transmission pitching and twisting, you directly prevent dynamic misalignment across the mechanical shift selector gate. Spec'd in low-visibility dark grey, they supply the necessary structural recovery for high-torque fast-road applications while managing Cabin Noise, Vibration, and Harshness (NVH) transfer.

Technical Features:

• 150% Increase in Stiffness: Engineered to eliminate torque-induced drivetrain deflection and gearbox "knocking."

• CNC Machined Construction: Billet aluminum caps secure the assembly with robust captive mounting hardware.

• Heritage Specification Polyurethane: 70A durometer compound balances high deflection resistance with optimized cabin isolation.

• Universal RWD Fitment: Designed as a direct drop-in replacement across classic and modern BMW chassis.

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