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Feature

Product has multiple service applications - effective for in-rail fuel injector cleaning, intake valve/port and combustion chamber deposit removal, and piston top soaking clean-up
Designed to maximize engine performance - use may help restore lost power, smooth out rough idling, minimize hard starting, reduce octane requirement, and minimize intake and exhaust valve sticking
Assists in the elimination of deposit-related carbon rap, knocking, pinging, hesitation, stalling, and engine run-on

Description

ACDelco Upper Engine Cleaner and Fuel Injector Cleaner is specially engineered to quickly clean a variety of engine deposits. This product provides many immediate benefits, such as improved acceleration, better fuel economy, and reduced emissions. ACDelco Upper Engine and Fuel Injector Cleaner is designed with a low VOC (Volatile Organic Compound) compliant formulation. This product is NOT added to the fuel tank. Not for Sale in California and other OTC States For Professional Use Only, Not for Retail Sale