Complete direct port injection kit for you S55.
Ships on Aug 4, 2026
Complete direct port injection kit for you S55.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations.
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Quick connect union T-fitting for 1/4" Nylon