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Transform your Buick with our top-notch LS swap parts, designed to ensure a smooth and efficient engine conversion. PSI Conversion offers everything needed to get your Regal, Grand National, Skylark, GS, Riviera, or early Buick running at peak performance. Our product range includes LS swap standalone wiring harnesses made in the USA with high-grade wire and different loom options to match your specific needs. Our PCM tuning service will set up a base tune for your engine and transmission, ensuring optimal performance. We also provide engine mounts, Dakota Digital gauges, accessory brackets, oil pans, and more.
From the Gen 3 1999-2007 LS Vortec Engine Controller Kit to 1978-87 Regal steel gas tanks and Hooker block hugger headers, our comprehensive selection has everything required for a successful LS swap in your Buick.
Explore our key products to complete your Buick 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
1978-1988 GM A/G-Body LS swap 4L60//4L65/4L70/4L80/TH400/2004R/T56/T56 Magnum Transmission Crossmember
78-87 Buick Regal EFI Tank, 255LPH Pump, Sender & Straps. GM G-Body EFI Gas Tank Fuel Injection Ready! Includes 2 piece neck design that simply connects with supplied 2" ID rubber hose. Utilizes our GPA series fuel pumps, available in sizes from 109 to 450 liters per hour.
Custom Dash Insert For Mounting Your Holley 6.86", Holley 7", or Haltech IC7 Display Screen. Also Available in Blank for a Clean Mounting Plate for all other Aftermarket Gauges!
Super Competition GM LS-1,Tube Size 1.625", Collector Size 2.5", Port Shape: Round; 304 Stainless Steel Natural Finish
An LS swap in a Buick delivers numerous advantages, such as boosted horsepower and torque, better fuel efficiency, updated engine management systems, and increased reliability. Moreover, LS engines are celebrated for their durability and the wide availability of aftermarket parts, making them a favoured option for engine swaps.
Yes, our experienced tech support team is available to assist you with installing and troubleshooting your LS swap parts. You can contact us via phone or email for professional guidance and support throughout the installation process.
The installation process for an LS swap in a Buick may vary slightly depending on the model due to differences in chassis design and original equipment. PSI Conversion offers detailed instructions and support to ensure a smooth installation, regardless of the specific model year.
About
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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Contacts
2029 Route 88
Brick, NJ 08724
ph. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET
customerservice@psiconversion.com
sales@psiconversion.com
techsupport@psiconversion.com