Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
FAST single‑sensor Air/Fuel meter for Ethanol/Methanol (E85) and other fuels reads wideband O2 without a laptop and stores data internally for on‑the‑go tuning. Available in single or dual sensor formats, the meter supports gasoline, diesel and E85 fuels, offers built‑in datalogging, PC software analysis and optional RPM‑based logging so tuners can capture and review air/fuel behavior without relying on a laptop during sessions.
FAST A/F Meter Eth./Meth. Single
