05-11 STS STS-V ENGINE MOTOR MOUNTS (For 8 cylinder cars only)
Our urethane STS / STS-V Engine Mounts are a direct replacement for worn factory mounts. They will fit just like the factory mounts with no other modifications. The factory mounts are designed as a rubber bladder with liquid in them to create the soft, comfy feel of the Cadillac. After these mounts have had some miles on them, they crack and leak out the liquid creating a blown motor mount. You will notice if your engine mounts are bad by how your car turns off. If your vehicle rumbles to a stop like a diesel engine, your engine mounts are shot.
What sets our mounts apart from our competition is our engine mounts have a two-part interlocking steel framework encased in urethane to give engine support in both directions of push and pull. When the engine tries to twist under acceleration the driver’s side of the engine tries to lift, putting that mount in tension (pull apart) and the passenger side mount in compression (push together). Then, when you gear down into a corner or to stop, these forces are reversed. Our mounts are correctly designed and take both of these forces into account. BE AWARE that some polyurethane engine mounts sold on the market today only have bolts sticking out of each end with nothing to keep them from ripping out of the urethane when these forces are applied to the engine mounts.
We are now selling three different hardness’ of urethane for these mounts:
NEW SOFTER Stage 1: Stock replacement-Recommended when passenger comfort is the primary concern with little to no performance upgrades.
Stage 2: Performance mount-Recommend for spirited drivers with multiple performance upgrades. “Best seller”
Stage 3: Full Race -Recommended for dedicated race vehicles. These rigidly mount the engine to the vehicle and will transmit vibration.
2x Engine Mounts
2x Heat Shields
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