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1932-57 Chevy Car/55-57 Tri-Five Cars LS Swap Parts

High-Quality LS Swap Parts for 1932-57 Chevy and Tri-Five Cars

Upgrade your 1932-57 Chevy or Tri-Five model with our LS swap parts, designed to deliver modern performance and reliability. Our product lineup features LS swap standalone wiring harnesses made in the USA, utilizing high-grade wire and multiple loom options tailored to your needs. Our PCM tuning service offers a base tune for optimal engine and transmission performance. Additionally, we supply engine mounts, Dakota Digital gauges, American Autowire chassis harnesses, direct-fit radiators, Vintage Air kits, accessory brackets, and fueling solutions.

Whether you're upgrading a 1955-57 Tri-Five Bel Air or an older model like a 1932 Chevy, our extensive selection ensures a comprehensive LS swap solution.

Explore our key products to complete your LS swap project:

  • All 1932-57 Full-Size Car Products: Discover essential LS swap parts for your classic Chevy.
  • Gauge Clusters: Modernize your dashboard with Dakota Digital gauges for precise engine performance monitoring.
  • Fuel Tank Kits: Guarantee reliable fuel delivery with vehicle-specific fuel tank kits for LS swaps.
  • Cooling: Keep your engine running cool with direct-fit radiators and other cooling solutions.

  • Application: 1999-2007 24X Drive by Cable with 4L60E/4L80E Transmission Controller Kit

    This kit includes a complete Standalone Engine harness, MAF sensor, Two Upstream O2 Sensors, TCC Brake Switch, and a PCM Flashed for your application with a mounting bracket giving you a ready to run kit to help simplify your LS swap! All our engine harnesses are professionally constructed from Brand New GM Delphi Connectors and TXL (Polyethylene Cross Linked) High Temperature Wire to GM Specifications. All Harnesses are 100% Quality Inspected prior to shipping.

    $1,099.00

  • Dirty Dingo Tri-5 Conversion mount kit for installing a SBC or BBC into a 1955, 1956, or 1957 Chevy Bel Air, 150, 210, Nomad or Wagon from stock front mounts to side mounts. Will allow you to install a Gen 3 or Gen 4 LS engine with our LS Conversion Motor mounts. These will work with seamed or seamless California frames. These mounts will provide a much stronger mount support over the original style stock front mounts. This kit is a bolt in kit and will require the removal of factory rivets and drill 4 new holes into cross member. When using with a small block engine these mounts will move the engine forward 3/4" for HEI clearance. Mounts are laser cut and CNC folded from 3/16 steel. Includes the correct 3 bolt rubber engine mounts and all necessary grade-8 hardware to install on frame.

  • American Autowire Classic Update kits are designed for projects that require more circuits than would have been available in an original chassis harness. Each kit includes all the basics needed to rewire a vehicle from headlight to tail light, and will accommodate popular add-on items such as electronic fuel injection, aftermarket gauges and common supporting modifications. Updated ATC fuse panel and fuses, along with modern GXL wire throughout. Wire functions are labeled every 3 to 5 inches. Pre-built dash harness and our exclusive gauge cluster disconnect system for use with stock or aftermarket instruments. Engine and front light harness with extra-long leads for custom routing and updated engine and transmission combinations. Original-style bulkhead connectors included. Six-way power accessory plug can be used as a convenient power source for aftermarket accessories. Rear body wiring with extra-long leads allows for custom routing. 175 amp mega fuse kit with 6 gauge charge cable to support a high output charging system and internally regulated alternator. Original-replacement connectors, terminals and lamp boots. Steering column adapter kit can be used to mate with stock or aftermarket columns. Headlight switch with 26 amp internal circuit breaker and new floor dimmer switch included. Correct, original-replacement tail lamp sockets. Replacement ignition switch that is compatible with HEI and EFI swaps.


  • 55-56 Chevy EFI Tank w/ 255LPH Pump, 0-30 Sender, & Straps. 1955-56 Chevrolet EFI Gas Tank Fuel Injection Ready! Utilizes our GPA series fuel pumps, available in sizes from 109 to 450 liters per hour. Uses aftermarket 5 bolt hole senders. Multiple Ohm ranges available to work with factory or aftermarket gauges.


  • DeWitts Direct Fit® LS Swap Aluminum Radiators are engineered to simplify the installation of your LS Engine swap. This custom package is designed to fit the original mounting conditions and provide you with engine matching hose connections. Our standard LS configuration has both inlet and outlet on the passenger side. Each package includes an electric fan with the temperature switch mounted in the end tank. We also include a steam line connection, custom billet DeWitts radiator cap, and complete electrical wiring kit.


  • The Gen IV is Vintage Air's most powerful and intelligent climate control system. The Gen IV uses an exclusive fully electronic microprocessor control system that eliminates cables or vacuum connections. Separate high-capacity copper parallel-flow heat coil and aluminum plate-and fin-cooling coils provide outstanding performance and instant temperature adjustments.

  • 1955-56 Chevy Car HDX Instruments

    $1,545.00
  • 1953-54 Chevy Car HDX Instruments

    $1,545.00
  • 1957 Chevy Car VHX Instruments

    $925.00

Frequently Asked Questions

What are the benefits of an LS swap for a 1932-57 Chevy or Tri-Five car?

An LS swap in a 1932-57 Chevy or Tri-Five car provides increased horsepower and torque, improved reliability, better fuel efficiency, and access to modern engine management technology. It enhances the car’s performance, offers extensive aftermarket support for customization, and increases the vehicle’s overall value and drivability.

How do I choose the right engine mounts for my Tri-Five LS swap?

Selecting the right engine mounts involves ensuring compatibility with your specific model and engine configuration. Tri-Five conversion engine mounts are designed to provide a secure and precise fit for 1955-57 Chevy models, accommodating LS engines effectively.

Why is a direct-fit radiator important for an LS swap in a classic Chevy?

A direct-fit radiator is crucial for maintaining proper engine cooling, especially when upgrading to a more powerful LS engine. These radiators are designed to fit into the original mounting points, providing efficient cooling without the need for extensive modifications.

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