Upgrade your classic GM A-Body with the ISG-3-1158G Polyurethane Transmission Mount, designed for superior strength, stability, and performance. Perfect for both street and racing applications, this mount delivers a precise fit for popular models including Chevelle, El Camino, Malibu, Monte Carlo, Cutlass, Skylark, GS, 442, GTO, Tempest, and LeMans.

Constructed from high-performance black polyurethane, this mount provides the ideal balance between rigidity and vibration absorption. It’s engineered to reduce drivetrain movement, maintain proper driveshaft alignment, and help prevent premature wear or damage to your transmission and powertrain components.

Unlike factory rubber mounts that degrade over time, this performance mount offers long-lasting durability and resistance to oils, coolants, and road contaminants—making it the perfect choice for high-horsepower or modified vehicles.

Features:

* Fits 1964–1972 GM A-Body vehicles

* Durable black polyurethane construction

* Excellent vibration absorption for smoother operation

* Maintains proper driveshaft angle and torque control

* Ideal for both street and racing applications

* Resistant to oils, coolants, and road contaminants

* Replaces soft factory rubber and harsh metal mounts


Applications Include: 
Chevelle • El Camino • Malibu • Monte Carlo • Cutlass • Skylark • GS • 442 • GTO • Tempest • LeMans

Part Number: ISG-3-1158G

Engineered for performance. Built for longevity. Perfect for your classic GM A-Body.