Spool McLaren 570s/600LT Wireless Ethanol Analyzer

Finally, a true ethanol content solution for McLaren 570s/600LT. The Spool Ethanol Analyzer is the first and only ethanol content analyzer built specifically for the 570s platform, giving you real-time fuel data to ensure your car is always running at its best.

Designed to seamlessly integrate with your fuel system, this kit provides instant and accurate ethanol readings through our Spool Ethanol Analyzer app—the same trusted app we’ve been using since 2017. No guessing, no complicated setups—just a simple solution for performance-driven McLaren owners.

Real-Time Ethanol Readings – Know exactly what’s in your tank at all times.
Seamless 570s Integration – No messy wiring or complicated installs.
Essential for Tuning – Run E85 safely with confidence.

Our app is available on Android and IOS