MuscleRods LS Engine Swap Kit for 1973-1977 A-Body Models
For GM A-Body vehicles built between 1973 and 1977, the 1973-1977 A-Body LS Conversion Kit simplifies swapping in a modern LS powerplant by supplying engine mounts, frame mounts, and transmission support hardware in one package. It fits 4L60E and 4L80E transmissions without any floor pan modifications and accommodates high clearance oil pans to maintain proper ground clearance. MuscleRods engineers have precision machined each component in the USA to ensure proper drivetrain angle and minimize vibration for a refined driving feel.
Optimized Drivetrain Alignment for Smooth Operation
The 1973-1977 A-Body LS Conversion Kit is engineered to maintain correct drivetrain angle through precisely positioned motor and frame mounts. By holding the engine and transmission in perfect alignment, the design minimizes vibration and reduces stress on universal joints and mounting points. This careful attention to geometry results in a notably smoother driving experience and helps preserve the integrity of your drivetrain over time. Whether you're cruising on open roads or tackling spirited back-road runs, the optimized alignment translates to a refined feel behind the wheel.
Plug and Play Compatibility Across GM A Body Applications
Designed for seamless integration into a range of classic GM models, this kit fits 1973-1977 Chevelle, Monte Carlo, El Camino, Laguna and other A Body vehicles without any floor pan modifications. It supports 4L60E and 4L80E transmissions right out of the box, cutting down on labor and eliminating guesswork during installation. The mounting geometry also accommodates a high clearance oil pan, ensuring adequate ground clearance for varied driving conditions. This plug and play approach lets enthusiasts focus on assembly rather than custom fabrication.
Precision Machined Components Crafted in the USA
Every part in this conversion kit is machined in the USA to exacting tolerances, reflecting a commitment to durability and performance. The motor mounts, frame brackets and transmission crossmember are cut and drilled on state-of-the-art equipment to ensure repeatable fitment and a rock-solid foundation for your LS engine. Combined with a polyurethane transmission mount and a comprehensive hardware pack, these components deliver reliable, long-term operation under the rigors of modern driving. The result is a robust foundation that stands up to daily use and spirited outings alike.
For a fully adaptable foundation count on MuscleRods and explore our Complete LS Swap Kits - LS Kit Builder which offer a more robust and customizable solution that lets you select the exact components to suit your build.