Cleans internal components resulting in smoother running, cleaner emissions and improved acceleration. Ideal for use on older vehicles (if in doubt contact Granville technical help line).
Available in petrol and diesel versions.

Cleans internal components resulting in smoother running, cleaner emissions and improved acceleration. Ideal for use on older vehicles (if in doubt contact Granville technical help line).

Available in petrol and diesel versions.

Designed to help clean carburettors and petrol injection systems.

Maintains maximum combustion efficiency and reduces formation of injector deposits.

Reduces smoke emissions from diesel engines and improves fuel economy.

For petrol and diesel engines, releases sticking valves and quietens noisy valve lifters.

Ensures complete & rapid DPF regeneration. Prevents performance loss caused by clogged particulate filters, reduces particulate emissions and extends lifetime of particulate filter.

Prevents expensive replacement of the catalytic convertor. Eliminates rotten egg smell, improves fuel economy and restores power & performance.

Reduces engine wear and promotes cooler, smoother and quieter engine running.

Designed for use in diesel engines to reduce engine wear especially at start up.

Works by expanding rubber engine oil seals.

Add directly to used motor oil prior to draining to help neutralise corrosive acids.

Seals the gaps between worn internal moving engine parts. Suitable for both petrol and diesel engines.

To stop and prevent leaks in power steering systems by gently conditioning seals.

10K Boost Petrol EGR valve cleaner is designed to remove harmful deposits that cause the valve to stick and become ineffective. Petrol EGR valve cleaner will clean the entire intake system restoring power and performance. Safe for use on vehicles with air mass meters and Catalytic convertors fitted.

10K Boost Diesel EGR valve cleaner is designed to remove harmful deposits that cause the valve to stick and become ineffective. Diesel EGR valve cleaner will clean the entire intake system restoring power and performance. Safe for use on vehicles where air mass meters, Turbos, Catalytic convertors and Diesel particulate filters are fitted.