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Jeep LS Swap Parts

Looking to get some more power under the hood of your Jeep? PSI can get you set up with everything you need to get your ride 'Wired up and fired up!". From our Harnesses Made in the USA with high quality wire and different loom options to suit your needs, Our PCM tuning service where we can get you set up with a base tune for your engine and transmission, Dakota Digital gauges, Accessory Brackets, Oil Pans, & More.

  • 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
  • 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 connector for the 69+ GM steering column connector. A mating connector and terminals are included for easy adaption to popular late model columns. Replacement ignition switch that is compatible with HEI and EFI swaps.

  • Universal EFI Ready Fuel Tanks Available. Features Include:

    • Alloy Coated Steel
    • 16 Gallon Capacity
    • Vent Required for Fuel Injected Engines
    • Includes Universal Mounting Straps
    • Includes Internal Reservoir Tray for Fuel Injection
    • Fully Baffled
    • Size: 27-3/4" x 17-3/4" x 8-1/2"
    • Includes Drop in Fuel pump assembly Available in 190LPH-450LPH
    • Fuel Sending Unit with multiple OHM ranges available
    • Optional Fuel Line & Regulator Kit



  • Super Competition GM LS-1,Tube Size 1.625", Collector Size 2.5", Port Shape: Round; 304 Stainless Steel Natural Finish

  • Universal Dakota Digital Clusters are a Great Option for your a Digital Cluster needs if There is not a Direct Fit Available for your Ride. These Are Great Options For Custom Dashboard in your Hotrod, Offroad Rig, or Just for your Cool Custom Weekend Cruiser! All Dakota Digital Clusters are Directly Compatible with all our Harnesses and with the use of the BIM-01-2 you can have Plug and Play Gauges with Minimal Wiring.

  • 1955- 86 Jeep CJ VHX Instruments

    $925.00
  • 1973- 85 Jeep Wagoneer & J Trucks VHX Instruments

    $925.00
  • 1986- 91 Jeep Wagoneer & J Trucks VHX Instruments

    $925.00

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