McLaren 720S, 750S & 765LT Spool Wireless Ethanol Analyzer

The Spool wireless ethanol analyzer is built specifically for the McLaren 720S, 750S and 765LT and shows your ethanol content in real time through the Spool app.

Why you need it

If you run E85 or a flex-fuel tune, you need to know exactly what is in the tank. This kit integrates cleanly with the fuel system and gives instant readings, with no messy wiring or complicated setup.

Fits

• McLaren 720S
• McLaren 750S
• McLaren 765LT

Features

• Real-time ethanol content readings
• Clean integration with the factory fuel system
• Spool Ethanol Analyzer app for Android and iOS

Good to know

Spool has used the same analyzer app since 2017. Professional installation is recommended.