STP Diesel Fuel Additive Twin Pack

STP Diesel Bundle contains STP Diesel Injector Cleaner 200ml and STP Ultra 5-in-1 Diesel System Cleaner 400ml Cleans & Unclogs: Powerful STP Diesel Injector Cleaner clears dirty injectors with just one treatment Restores Performance: STP Ultra 5-in-1 System Cleaner is our most advanced diesel formula, helping to remove deposits and clear dirty injectors Lowers Emissions: A cleaner engine may mean less exhaust emissions and lower fuel consumption For All Diesel Engines: Suitable for all diesel engines including DI, IDI and common rail, and catalytic converters Quick & Easy: Simply pour the entire bottle of STP Diesel Injector Cleaner or STP Diesel System Cleaner into a full tank Reduces Rough Idling: For a smoother engine experience