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GM Truck Sierra/Silverado L84/L87 — AFM/DOD Conversion Package

$6,800.00

Platform: Sierra/ Silverado   Generation: 2019-Up   Engine: L84/L87

A reliability-first AFM/DOD solution for Sierra/ Silverado (L84/L87). We replace the failure-prone hardware, upgrade key supporting components, and recalibrate the ECM so the vehicle drives the way it should—without the long-term DOD risk. Built around BTR AFM/DOD Conversion Kit.

Platform: Sierra/ Silverado   Generation: 2019-Up   Engine: L84/L87

A reliability-first AFM/DOD solution for Sierra/ Silverado (L84/L87). We replace the failure-prone hardware, upgrade key supporting components, and recalibrate the ECM so the vehicle drives the way it should—without the long-term DOD risk. Built around BTR AFM/DOD Conversion Kit.

What’s included:

  • BTR AFM/DOD Conversion Kit

  • BTR Trunnion Kit

  • BTR Cast Thermostat Housing w/ 180 deg Thermostat

  • Scott LT Spark Plug Wire

  • NGK Spark Plugs

  • GM Gaskets and Hardware

  • HP Tuner Unlock

Install & tuning notes:

  • Includes professional calibration (dyno tuning where applicable) on our in-house Mainline dyno.

  • ECM unlock service is included where required.

  • Includes ECM calibration to ensure proper drivability after the AFM/DOD conversion.