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Sold as a Pair
Replace worn factory motor mount inserts with Energy Suspension Polyurethane Motor Mount Inserts. These high-performance inserts reduce unwanted engine movement while improving strength, durability, and engine stability.
Made from HYPER-FLEX® performance polyurethane, these inserts are built to last longer than factory rubber. They help reduce wheel hop, improve traction, and protect other drivetrain components from damage caused by excessive engine movement.
Perfect for street vehicles, muscle cars, trucks, hot rods, and race cars.
Features
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Restores worn or damaged factory motor mounts
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Reduces engine movement under hard acceleration
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Helps reduce wheel hop and improve traction
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Protects drivetrain components from excess engine movement
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Stronger and longer lasting than factory rubber inserts
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Absorbs engine vibration for comfortable street driving
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Durable enough for high-performance and racing applications
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Made from HYPER-FLEX® performance polyurethane
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Resistant to oil, coolant, grease, and other automotive fluids
Installation
This kit includes the polyurethane inserts only.
The original outer metal mount shells must be reused.
To install:
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Remove the factory rubber inserts.
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Drill out the factory welds or rivets to separate the metal shell.
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Install the new polyurethane inserts into the original shell.
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Reassemble using the factory 7/16-inch through bolt.
Fitment
Designed for 3-bolt style GM motor mounts.
Replaces the inserts used in the following GM part numbers:
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15731260, 22145334, 15529451, 15529452, 15592505
Also replaces aftermarket part number 2621.
Why Choose Polyurethane?
Factory rubber motor mounts wear out over time, allowing the engine to move more than it should. Energy Suspension polyurethane inserts provide better support, improved durability, and longer service life while still helping absorb vibration for everyday driving.
Install Instructions
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