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Oldsmobile LS Swap Parts

Are you Looking to do an LS Swap on your Classic Oldsmobile? 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, American Autowire Chassis Harnesses, 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.


  • Dirty Dingo Motorsports is the leading manufacturer in GM LS conversion engine mounts for Chevrolet and GMC trucks and muscle cars. These Patented Design motor mounts are used when installing the 1997-2013 Gen III/IV LS series engine into older GM muscle cars, trucks and any application that uses a standard three bolt factory style engine mount from 1958 to 1972, and Corvette 1962 to 1991(Corvette 1958 to 1961 will require a frame stand to use a GM three bolt mount).

  • 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.

    • This notched corner tank is perfect for mini-tub applications. Both corners are notched 7" in and 7" back for better tire and exhaust clearance. The rear of the tank is the stock depth while the front of the tank is 1" deeper than stock. This additional rake of the gas tank provides better fuel delivery to the pump. 1968-1969 Buick Skylark, Special, and GS EFI Fuel Tank 1968-1969 Oldsmobile Cutlass, 442, and F85 EFI Fuel Tank Fuel Injection Ready! Includes 2 piece neck design that simply connects with supplied 2" ID rubber hose. Utilizes a GPA series 255lph fuel pump. EFI style internal baffling with extra Large 4.8 liter dual tube baffled fuel tray to prevent fuel pump starvation. Perfect for your Pro-Touring, Autocross or Road Racing Ride. Fuel pump and sender are recessed in the tank for easy installation with no modification needed to your car. Looks like an OE tank when installed. Galvanized steel then Powder Coated Silver 20 Gallon Capacity 1" Deeper than stock Longer mounting straps included with the tank 39-1/4" x 24-1/2" x 8-3/4

    • 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.

    • 1978-87 Oldsmobile Cutlass/442 HDX System

    • 1970-72 Oldsmobile Cutlass VHX Instruments

    • 1966- 67 Oldsmobile Cutlass VHX Instruments



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