MuscleRods LT Engine Swap Kit for 1978-1988 G-Body Monte Carlo/Malibu/El Camino Regal/Grand National/Cutlass Supreme
When converting a classic G Body from 1978 to 1988 to LT power, precise fitment is critical and the 1978-1988 G Body LT Conversion Kit delivers all necessary engine mounts, frame brackets and a crossmember to position the motor accurately. Each machined engine mount and bracket locks the motor squarely to the frame across Monte Carlo, Malibu, El Camino, Regal, Grand National and Cutlass Supreme applications, eliminating trial and error. Vibration damping features protect the chassis from harmonic shocks while the integrated transmission support preserves proper alignment with both 4L60E and 4L80E gearboxes. MuscleRods purpose built each component to work together in a single solution so builders can avoid custom fabrication.
Precision Fit for LT Engine Installation
The 1978 to 1988 G body LT conversion kit uses fully machined engine mounts and frame brackets to achieve exact placement of any Gen V LT powerplant. Factory style tolerances guide the motor into an ideal position, locking it squarely to the frame and aligning the output shaft with the drive train. This level of accuracy removes guesswork, ensuring torque is distributed evenly and critical components wear at the same rate. By securing the engine in the proper location from the start, builders avoid costly trial and error during installation.
Engine Vibration Isolation and Chassis Protection
Each mount features built-in isolation material that absorbs harmonic shocks and limits noise vibration and harshness transmitted to the chassis. This engineered damping reduces stress on body panels and mounting points, helping to prevent cracks and fatigue over time. Quiet operation is paired with long term durability, as the isolators protect both frame brackets and the passenger compartment from constant vibration. The result is a smoother ride and a chassis that retains its integrity under demanding driving conditions.
Integrated Components for Streamlined Assembly
This complete kit brings together engine mounts, frame brackets, cross member, mounting plates and transmission support into a unified package that installs without modification. All bolt holes line up with existing frame openings, eliminating drilling and trimming and significantly cutting install time. Included hardware is matched to each component, so even builders with limited shop resources can achieve professional results. The cohesive design ensures every piece fits together to maintain proper alignment from the block through the tailshaft.
Count on MuscleRods for a well-engineered foundation for your LT swap. To access a more robust kit where you can build this same kit but this is a customizable kit where the user can select their own parts to better suit their needs, see our Complete LT Swap Kits - LT Kit Builder.