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Revitalize your 1963-72 Chevy or GMC C10 truck with our high-quality LS and LT swap parts, crafted for a seamless and efficient engine conversion. Our offerings include LS swap standalone wiring harnesses, meticulously made in the USA with top-grade wire and different loom options to suit your needs. Our PCM tuning service optimizes your engine and transmission for peak performance.
Enhance your swap project with our selection of engine and transmission mounts, Dakota Digital gauges, American Autowire chassis harnesses, Vintage Air kits, accessory brackets, oil pans, and more. Our extensive inventory guarantees that you have every component required for a successful LS or LT swap in your C10 truck, Blazer, or Suburban.
Explore our key products to complete your Chevy C10 truck LS swap project:
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.
Choose Engine Year for your Wiring Needs!
- 1999-07 LS/Vortec GEN III 24X Engine
This kit includes Dirty Dingo Slider engine mounts for mounting 1997-2013 GM LS engines into your 63-72 C10 2WD trucks using their Factory rubber engine mounts that are pre-cut to fit properly with the Slider mounts. The Adjustable transmission crossmember bolts into 2WD 1963-1987 C10 C20 Truck's, Blazer's, and Suburban's. This crossmember, in most cases, will bolt to the frame using existing transmission mounting holes. This adjustable crossmember will allow you to run a powerglide, TH350, TH400, 700R4, 4L60, 4L65, 4L70, 4L75, 4L80, 6L80, and 6L90 and adjust the crossmember without drilling any new holes into your frame.
Engine and Transmission Mounts
- Slider Mounts (engine side) - DD-SLIDER-PC
The C10 Swap pedal is a direct bolt in pedal for the 67-72 C10, 73-87 Squarebody, & 88-98 OBS GM trucks for use with GEN 3 only Drive by Wire Applications
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. This harness includes an 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. A rear body wiring with extra-long leads 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 sockets. Headlight switch with 26 amp internal circuit breaker and new floor dimmer switch included. Dash harness includes a connector for the 75 and up GM steering column connector. A mating connector and terminals are included for easy adaption to earlier GM or aftermarket columns. Gauge cluster printed circuit board connector and terminals included.
This tank mounts under the truck bed using the flanges to bolt in place. The tank is designed to bolt up to the bottom side of the frame rails but it can be mounted in different configurations including on top or even in-between the rails in some cases. It is up to the installer to drill and locate the mounting holes. Mounting hardware not included.
Is your truck loose in the corners? Of course, it is it's a truck. Tame that floating rear with a big-ol' load of downforce. These truck spoilers are AOA adjustable to set your aero balance perfectly. And being made from from 6061 aluminum, they are lightweight too. Fits c10 tail gates from 1967-1972 25* of Downforce/Drag adjustment 63" wide 8.
Our Direct Fit® C10 radiator allows you to easily bolt in the best aluminum radiator for your 1963-1966 C10 project. Not only is our downflow radiator design a hassle-free install but we have properly fitted our high performance radiator with the correctly located inlet and outlet radiator hose fittings at a total weight of just 16 pounds. A pair of SPAL 11-inch cooling fans with pre-installed coolant temperature sensor and complete wiring harness is available as an option. Automatic transmission-equipped models feature an internal cooler in the bottom tank that accepts stock transmission cooler line fittings. Our Black Ice two-part epoxy coating option is a semi-gloss black finish that provides an OE-like look for those that want to keep things low key under the hood.
For an LS swap in your C10 truck, you will need various components including standalone wiring harnesses, PCM tuning, gauge clusters, fuel tank kits, exhaust systems, and other essential parts like oil pans and accessory brackets.
The installation process for an LS swap in a Chevy C10 can vary slightly depending on the model year due to differences in chassis design and original equipment. For instance, the mounting points and wiring harness routing may differ between early (1963-66) and later (1967-72) models. PSI Conversion provides detailed instructions and support to ensure a smooth installation regardless of the specific model year.
To fit an LS engine into a Chevy C10 truck, you might need modifications such as custom engine and transmission mounts, adjustments to the fuel delivery system (such as installing an EFI-compatible fuel tank), and updating the cooling system with an LSX radiator. Additionally, depending on your specific setup, you may need to install a new exhaust system, modify the drive shaft, and ensure proper clearance for the new engine and its components.
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Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!
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