Lucas octane booster is the only one that works in my opinion, got it from J+P for way less than my local parts store
Lucas Octane Booster - 2 OZ (18/Case Sold Ea)
Lucas Octane Booster is a fuel additive formulated to raise octane levels in gasoline for V-twin motorcycles. One 2 oz bottle treats up to 25 gallons of fuel and is safe for use in both carbureted and fuel-injected engines, including those with turbos, oxygen sensors, and catalytic converters.
Features
- Raises octane in gasoline
- Safe for turbos, oxygen sensors, and catalytic converters
- Works in carbureted or fuel-injected engines
- Promotes cleaner fuel burn and reduces exhaust emissions
- For 4-stroke engines only
Specifications
- Brand: Lucas
- Manufacturer Part #: 10725
- UPC: 049807107253
- Bottle Size: 2 oz
- Treats: Up to 25 gallons of fuel
- Weight: 0.2 lbs
- Dimensions: 1.35 in L x 1.3 in W x 3.8 in H
Fitment
For V-twin motorcycles with 4-stroke engines.
Frequently Asked Questions
How much fuel does one bottle treat?
One 2 oz bottle treats up to 25 gallons of gasoline.
Will this damage my oxygen sensors or catalytic converter?
No — Lucas Octane Booster is formulated to be safe for use with turbos, oxygen sensors, and catalytic converters.
Can I use this in a carbureted engine?
Yes — this booster works in both carbureted and fuel-injected engines.
Is this street legal?
No — Lucas Octane Booster is for off-road or racing use only and not street legal.
| BRAND | Lucas |
| TYPE | Chemicals |
| SKU | 58-5290 |
| WEIGHT | 0.2 lb |
Haven't tried it yet
Lucas keeps the octane up and fuel system clean.
I have used it on my last three bikes and have never had a problem with engine knock.