Additives

Brand: Royal Purple

Royal Purple Engine Break-In Oil - 1 Quart

-21%

Royal Purple Break-In Oil is formulated to provide the critical wear protection needed by the...

Brand: Red Line

Red Line Friction Modifier & Break-In Additive - 4 oz

Add 1oz at a time to clutch-type limited slip or posi-traction units to eliminate chatter

Brand: Red Line

Red Line 85+ Diesel Fuel Additive - 12oz.

Available in winterized formula, reduces pour point of typical fuel by 25 degrees Fahrenheit

Brand: Red Line

Red Line Lead Substitute - 12oz.

Also cleans carburetor deposits and injectors, safe for catalytic converters

Brand: Red Line

Red Line SI-1 Fuel System Cleaner - 15oz.

Cleans injectors, carburetors, valve and combustion chamber deposits with a concentrated blend of the most...

Brand: Red Line

Red Line Complete Fuel System Cleaner for Motorcycles - 4oz.

Cleans your carburetors or fuel injectors, fuel lines, tank, intake valves, combustion chambers and fouled...

Brand: LIQUI MOLY

LIQUI MOLY DIJectron Additive - Gasoline Direct Injection (GDI) Cleaner

The unique combination of proven PEA technology and the latest additive generation achieves maximum cleaning...

Brand: LIQUI MOLY

LIQUI MOLY 300mL Radiator Cleaner

Add contents to the cooling water. Turn the heating to maximum and let the engine...

Brand: LIQUI MOLY

LIQUI MOLY 500mL Pro-Line Engine Flush

One 500 ml can is sufficient for up to 5 liters(1.3 gal.) of oil. Add...

Brand: LIQUI MOLY

LIQUI MOLY 500mL Pro-Line Fuel Injection Cleaner

To be added directly into the fuel tank. As a preventive measure, add during each...

Brand: LIQUI MOLY

LIQUI MOLY 250mL Speed Tec Gasoline

High-tech fuel additive, developed specifically for improved throttle response under partial engine load. Optimizes fuel...

Brand: LIQUI MOLY

LIQUI MOLY 400mL Pro-Line Diesel Intake System Cleaner (Aerosol)

To prepare, attach tube with nozzle. To gain access, remove hose or pipe immediately before...