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  1. BP Automotive - LS Swap Standalone Harnesses for 4.8, 5.3, 5.7, …

    BP Automotive is the go to source for all of your LS Swap needs! We build standalone harnesses for GM engines from 1992 to present day!

  2. Swap Harnesses - BP Automotive

    BP Automotive offers a complete selection of standalone harnesses & swap harnesses. Find the right part for your performance vehicle at the right price.

  3. LS Swap DIY Stand Alone Factory Harness Mod Kit - BP Automotive

    LS Swap DIY Standalone Factory Harness Mod Kit- complete engine management fuse & relay panel ready to go with installation instructions included. Shop now!

  4. 1997-2006 DBC LS1 Standalone Harness with T56 or Non ... - BP …

    LS1 T56 or Non-Electric Standalone LS Swap Harness for retrofitting an LS Engine in your Restomod. Shop BP Automotive, your LS Swap Specialist!

  5. BP Automotive: Complete EFI, Engine Component & Performance …

    Shop BP Automotive's complete selection- Stand Alone Harnesses, Plug & Play Direct Fit Harnesses, Engine Controller Kits & Components, Accessories, & More!

  6. 1997-2006 Gen III DBC Standalone Harness w/ 4L60e & EV1 …

    Our LS1 standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. This swap harness is specific for 1997-2006 5.7 engines with RPO …

  7. Bare Essentials LS Swap DIY Stand Alone Factory Harness Mod Kit

    Bare Essentials LS Swap DIY Stand Alone Factory Harness Mod Kit from BP Automotive Performance Parts. Works with all GM Harnesses from TPI to LS9! Shop now!

  8. 1999-2006 Gen III DBC Standalone Harness w/ 4L80e and EV6 …

    LS1/Vortec 4L80e Stand Alone LS Swap Harness EV6 Injectors for installation of GM EFI Engine in 1997-2006 Vortec or V8 car. Shop BP Automotive today!

  9. 2007-2014+ Gen IV LS3 Based Standalone Harness 6L80/90e - BP …

    Our Gen IV LS3 standalone harness is designed for installing these new GM EFI engines into your ride, whatever it may be. This swap harness is specific for 2007-2014+ Gen IV 58x …

  10. Gen IV (58x) Stand Alone Harnesses, Kits, and ECM/TCM - BP …

    Looking for a Gen 4 Standalone Swap Harness for your performance vehicle? BP Automotive offers a wide selection with the option for expert PCM Tuning.