LS2 to LS3/LS7 Mass Air Flow Adapter Harness — Manufacturer part number: 31-1012.

LS2 to LS3/LS7 Mass Air Flow Adapter Harness. Plug and Play adapter harness for converting a LS2 harness (5 pin) to a LS3/LS7 blade style MAF sensor (5 pin).

Features include:

• Converts LS2 MAF Harness to LS3/7 MAF sensor (Blade Style)
• 24" Adapter Harness
  

(Warning) This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.

Fitment and ordering

Confirm the vehicle, engine, dimensions and application restrictions listed above before ordering. Speed Engineering parts are designed to work with Speed Engineering components; mixing brands may require modifications.

Manufacturer specifications and availability checked October 4, 2026. Availability refers to the manufacturer and can change; it does not indicate stock held at Speedzone.

Returns: All Speed Engineering product sales are final. No returns are accepted on Speed Engineering products. Please verify fitment before ordering. See our Return Policy for additional terms. This does not limit any consumer rights that cannot be waived under applicable law.