Additives

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Royal Purple

Royal Purple Engine Break-In Oil - 1 Quart

Regular price $65.99
Sale price $65.99 Regular price $80.94
Unit price
Royal Purple Break-In Oil is formulated to provide the critical wear protection needed by the...
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Red Line

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

Regular price $191.99
Sale price $191.99 Regular price
Unit price
Cleans injectors, carburetors, valve and combustion chamber deposits with a concentrated blend of the most...
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Red Line

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

Regular price $125.99
Sale price $125.99 Regular price
Unit price
Add 1oz at a time to clutch-type limited slip or posi-traction units to eliminate chatter
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Red Line

Red Line 85+ Diesel Fuel Additive - 12oz.

Regular price $154.99
Sale price $154.99 Regular price
Unit price
Available in winterized formula, reduces pour point of typical fuel by 25 degrees Fahrenheit
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Red Line

Red Line Lead Substitute - 12oz.

Regular price $191.99
Sale price $191.99 Regular price
Unit price
Also cleans carburetor deposits and injectors, safe for catalytic converters
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Red Line

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

Regular price $88.99
Sale price $88.99 Regular price
Unit price
Cleans your carburetors or fuel injectors, fuel lines, tank, intake valves, combustion chambers and fouled...
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LIQUI MOLY

LIQUI MOLY 500mL Pro-Line Engine Flush

Regular price $137.99
Sale price $137.99 Regular price
Unit price
One 500 ml can is sufficient for up to 5 liters(1.3 gal.) of oil. Add...
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LIQUI MOLY

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

Regular price $299.99
Sale price $299.99 Regular price
Unit price
The unique combination of proven PEA technology and the latest additive generation achieves maximum cleaning...
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LIQUI MOLY

LIQUI MOLY 300mL Radiator Cleaner

Regular price $173.99
Sale price $173.99 Regular price
Unit price
Add contents to the cooling water. Turn the heating to maximum and let the engine...
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LIQUI MOLY

LIQUI MOLY 500mL Pro-Line Fuel Injection Cleaner

Regular price $182.99
Sale price $182.99 Regular price
Unit price
To be added directly into the fuel tank. As a preventive measure, add during each...
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LIQUI MOLY

LIQUI MOLY 250mL Hybrid Additive

Regular price $86.99
Sale price $86.99 Regular price
Unit price
A combination of agents, developed specifically for late model hybrid engines. Removes deposits in the...
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LIQUI MOLY

LIQUI MOLY 250mL Speed Tec Gasoline

Regular price $77.99
Sale price $77.99 Regular price
Unit price
High-tech fuel additive, developed specifically for improved throttle response under partial engine load. Optimizes fuel...
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