✅COMPATIBILITY: Fit for model 4 valve ISC 8.3 liter and ISB 5.9 liter engines and others. Torque the high pressure fuel lines on model 4 valve ISC 8.3 liter and ISB 5.9 liter engines and others. This unique 3/4" Fuel Injection Flare Nut Socket makes it easier for technician to access and remove fuel pump lines.
