Spool Mercedes M157 Wireless Ethanol Analyzer Kit & 10 Micron Filter Unit Please select Filter and Ethanol Analyzer Kit Option:Filter and Ethanol Analyzer Kit The stock HPFP on the

The stock HPFP on the M157 Motors is severely limited in capacity when trying to tune and raise the output of the motor

0 low energy technology

Optional: Ethanol Content Monitor Kit with mobile app for real-time ethanol content and fuel temperature monitoring

Spool High-Performance Stainless Steel 10 Micron inline filter unit comprises of an aluminum filter body with an internal high-quality stainless steel washable and 100% E85 compatible ultra-fine mesh 10-micron filter unit

Spool Performance provides calibration data to your tuner or can connect you with experienced tuners who specialize in our pumps

Spool Mercedes M157 Wireless Ethanol Analyzer Kit & 10 Micron Filter Unit Please select Filter and Ethanol Analyzer Kit Option:Filter and Ethanol Analyzer Kit The stock HPFP on theThe Spool wireless Ethanol Analyzer kit is a very cost effective and robust ethanol content and fuel temperature monitoring solution. With the included smartphone app, the analyzer paired with a GM ethanol sensor can display the in tank fuel's ethanol concentration percentage and fuel temperatures in Fahrenheit. The Analyzer module incorporates the latest Bluetooth 4. 0 low energy protocol which means very little battery usage on your smartphone and