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Eliminate power-robbing rear-end flex and upgrade your E36’s dynamic handling with the Turner Motorsport Track-Spec Differential Bushing Package. On the track or aggressive backroads, factory rubber differential mounts distort heavily under load, delaying throttle response and compromising rear alignment geometry. This complete package locks down the front and rear differential mounting locations, routing torque directly from your right foot to the pavement for maximum acceleration and predictable corner exit.
Engineered for drivers who demand race-bred chassis feedback without the unrefined harshness of solid metal mounts, this package equips your E36 with a heavy-duty polyurethane upgrade. Up front, a stiff 95A polyurethane bushing is anchored by a high-strength M14x1.5 Grade 12.9 bolt, overcoming the notoriously weak factory M12 bolt setup to survive high-RPM launches and severe track abuse. Out back, 88A polyurethane rear bushings stabilize axle load shifts to keep the rear end planted through turn-in and high-G cornering. Lightweight, black-anodized 6061-T6 aluminum inner sleeves deliver structural integrity in severe racing environments.
When high torque loads and aggressive corner exits push your chassis to the limit, stock differential mounts quickly become the weak link. The ECS Tuning Rear Differential Front Mount Upgrade Kit is track-engineered to lock down your rear diff, control axle wrap, and ensure immediate power delivery to the pavement.
Built to withstand severe track abuse, this kit eliminates hardware failure by replacing the undersized factory M12 bolt with an ultra-high-tensile Grade 12.9 M14x1.5 bolt. Surrounding the upgraded hardware is a track-spec 95A durometer red polyurethane bushing and a rugged 6061-T6 aluminum sleeve finished in Type II black anodizing. Engineered for maximum drivetrain stiffness, this upgrade ensures your differential stays precisely aligned under the harshest motorsport conditions.
Note: Upgrading to M14x1.5 hardware requires drilling and tapping the original M12x1.5 differential mounting hole. See T#58563042 for a complete kit that includes the proper-sized drill and tap.
When high torque loads and aggressive corner exits push your chassis to the limit, stock differential mounts quickly become the weak link. The ECS Tuning Rear Differential Front Mount Upgrade Kit is track-engineered to lock down your rear diff, control axle wrap, and ensure immediate power delivery to the pavement.
Built to withstand severe track abuse, this kit eliminates hardware failure by replacing the undersized factory M12 bolt with an ultra-high-tensile Grade 12.9 M14x1.5 bolt. Surrounding the upgraded hardware is a track-spec 95A durometer red polyurethane bushing and a rugged 6061-T6 aluminum sleeve finished in Type II black anodizing. Engineered for maximum drivetrain stiffness, this upgrade ensures your differential stays precisely aligned under the harshest motorsport conditions.