Shipping/Pickup Information:
This item can be shipped via Parcel Carrier. For larger quantities we may ship via UPS GFP or LTL
We also offer dock/door pickup for most items at checkout.
SI-1 Fuel System Cleaner 15 oz. Bottles - Case of 12
Specifications:
12 Count Multipack
Read how Red Line Fuel System Cleaner compares to Seafoam and see what other fuel system cleaners we have in direct comparison.
Red Line SI-1 Complete Fuel System Cleaner is a concentrated, detergent-based fuel additive cleans injectors, carburetors, valves and combustion chamber deposits with a concentrated blend of the most powerful high-temp and low-temp detergents available.
- Cleans all forms of fuel injectors, including GDI
- Enhances fuel stability; reduces gum and varnish formation
- Use one bottle per tank for most effective treatment, 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
- Suitable for use with oxygenated fuel
- Safe for continual use
- Same chemistry is also available in 4oz dosage as Complete Fuel System Cleaner - Powersports
In stock. Try subscribed delivery and have your order packed and shipped on your schedule. ✔Pickup available Hours: 10a-5p M-F
Ships: Friday, Dec 05 2025
Deliv: 12/09 - 12/11
Pickup: Fri 12/05
Deliv: 12/09 - 12/11
Pickup: Fri 12/05
Product Features
Guaranteed Origin
12 Count Multipack
Read how Red Line Fuel System Cleaner compares to Seafoam and see what other fuel system cleaners we have in direct comparison.
Red Line SI-1 Complete Fuel System Cleaner is a concentrated, detergent-based fuel additive cleans injectors, carburetors, valves and combustion chamber deposits with a concentrated blend of the most powerful high-temp and low-temp detergents available.
- Cleans all forms of fuel injectors, including GDI
- Enhances fuel stability; reduces gum and varnish formation
- Use one bottle per tank for most effective treatment, 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
- Suitable for use with oxygenated fuel
- Safe for continual use
- Same chemistry is also available in 4oz dosage as Complete Fuel System Cleaner - Powersports
