Restores GDI fuel injectors to 100% flow rate after one tank of fuel2
Improves fuel economy
Reduces need for costly higher-octane fuel
Helps prevent carbon rap
Controls pre-ignition knock
Compatible with capless fuel systems
1Based on third-party testing in a 2016 Chevrolet* Silverado* 1500, 5.3L V-8 GDI with 100,616 miles, using one tank treated with AMSOIL P.i. Actual results may vary. 2ASTM D5598(M) – 2013 Buick Regal test vehicle.