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 - 15 OZ (12/Case Sold Ea)
Lucas Octane Booster is a genuine fuel additive for V-twin motorcycles that increases octane rating and promotes cleaner combustion. One 15 oz bottle treats up to 25 gallons of fuel and works in both carbureted and fuel-injected engines.
Features
- Increases octane rating for V-twin engines
- Safe for turbocharged, oxygen sensor, and catalytic converter equipped bikes
- Works in carbureted or fuel-injected engines
- Reduces exhaust emissions
- 15 oz bottle treats up to 25 gallons of fuel
Specifications
- Brand: Lucas
- Manufacturer Part #: 10026
- UPC: 049807100261
- Volume: 15 oz
- Fuel Treatment Ratio: Treats up to 25 gallons
- Length: 2.45 in
- Width: 2.4 in
- Height: 9.95 in
- Weight: 0.94 lbs
Fitment
Recommended for V-twin motorcycles including Harley-Davidson and Indian Motorcycle models.
Frequently Asked Questions
How much fuel does one bottle treat?
One 15 oz bottle treats up to 25 gallons of fuel. Add to your tank before filling with fuel for best results.
Will this work in my carbureted Harley?
Yes — Lucas Octane Booster works in both carbureted and fuel-injected V-twin engines.
Is this safe for my catalytic converter and oxygen sensors?
Yes. This formula is safe for use with turbos, oxygen sensors, and catalytic converters without causing damage.
Can I use this in a 2-stroke engine?
No — Lucas Octane Booster is formulated for 4-stroke engines only. Do not use in 2-stroke bikes or engines.
| BRAND | Lucas |
| TYPE | Chemicals |
| SKU | 58-5291 |
| WEIGHT | 0.94 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.