PPX 燃油調節及潤滑液 (柴油) Ultra All-Season Low Sulfur Diesel Fuel (ULSD) Conditioner with Lubricity (Diesel Fuel System Products)HK$625
PPX 全能燃油室清潔液 (汽油) Super Concentrated Fuel System Cleaner (from Fuel Tank, Multi-Port Injectors to Combustion Chamber)HK$500