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Red Line fuel additives

Red Line fuel additives, for gasoline, diesel and E85.


Price (incl.vat) 15.90 - 26.90 / pcs ✔ Delivery time 3 - 7 working days.
Select a product:
✔ EU shipping from 9,90 € and free on orders over 400 €
✔ Quick shipping. Orders are handled in 24 hours.
Si-1 gasoline additive
- Cleans injectors, carburetors, valve and combustion chamber deposits with a concentrated blend of the most powerful high-temp and low-temp detergents available
- Cleans to nearly 100% efficiency in one treatment
- Reduces need for octane by up to two points
- Contains synthetic upper cylinder lubricant
- Cleans pollution control valves
- Use one bottle per tank for most effective treatment of neglected vehicle
- Also use in smaller doses for maintenance as one bottle treats up to 100 gallons
- Suitable for use with oxygenated fuel
- Safe for continual use
- Same chemistry is also available in 4oz dosage as Complete Fuel System Cleaner for Motorcycles

- Prevents gelling and corrosion in methanol and nitromethane fuel systems
- Lubricates upper cylinder and fuel system, increases power with more ring seal
- Replaces lubrication lost by wash of dry fuels
- Not detectable by normal fuel tests, mixes with only slight agitation
- Use 1oz per 5 gallons, one bottle treats up to 55 gallons
- Do not use with catalytic converters

Lead substitute
- Prevents valve seat damage in engines designed for leaded gasoline
- Prolongs the useful life of older engines without updated valve seats
- Also cleans carburetor deposits and injectors, safe for catalytic converters.
- For racing, marine, or off-road use only
- one bottle treats up to 25 gallons

Water remover & antifreeze
- Removes water from diesel or gasoline systems, treats up to 250 gallons
- Significantly reduces the freezing point of water in the fuel system
- Also provides excellent fuel lubrication
- Can be used in combination with SI-1 Complete Fuel System Cleaner, Diesel Fuel Catalyst, and 85 Plus

RL-2 diesel
- Our most concentrated diesel product, popular for semis, agricultural, fleet tanks
- Cleans and lubricates injectors, pumps, and rings, improving efficiency up to 5%
- 15oz treats up to 300 gallons, gallon treats up to 2560 gallons, 5 gl treats up to 12,800 gallons

85 plus diesel
- Designed for use in all diesel engines - compensates for latest low-sulfur fuels
- Diesel Fuel Catalyst and 85 Plus are products with the same chemistry
- Promotes better fuel combustion and fuel system lubrication
- Provides faster ignition, reduced detonation and smoke, improved efficiency.
- Powerful high-temp detergents to clean fuel injectors
- Lubricates O-rings and seals to increase injector pump life, reduces ring friction
- Contains cetane booster for added power benefits
- Available in winterized formula, reduces pour point of typical fuel by 25°F
- Use one bottle per tank-treats up to 100 gallons


Race Performance Ltd

Välitie 6, 07170 Pornainen, Finland
☎ 020 790 2 790

Our team: Riku, Jaana, Willem and Ari

Read here who we are and what we're about: about us.
Oil amounts and types
A list of Red Line oil recommendations can be found here: Red Line oil choose, swedish site (opens in a new window)

If you're still not sure, just ask our sales and we will be most happy to help you out!
Red line diesel 85 plus
15.90 €/ 355 ml
Red line diesel fuel biostat
26.90 €/ 355 ml
Red line lead substitute
19.90 €/ 355 ml
Red line si-1 gasoline additive
19.90 €/ 443 ml
Red line si-alcohol
17.90 €/ 355 ml
Red line waterremover & antifreeze
19.90 €/ 355 ml

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