LUCAS SKU: 58-5291

Lucas Octane Booster 15 OZ Fuel Additive - Harley & Indian V-Twin

$12.90
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About Lucas

Lucas Oil produces engine oils, additives and problem-solving lubricants used across powersports and racing, including V-twin specific oils and assembly products.

Lucas Octane Booster is a powerful fuel additive designed to significantly increase the octane rating of gasoline in your V-twin motorcycle. This 15 oz bottle is engineered to deliver improved combustion efficiency and enhanced engine performance.

Why riders pick this

  • Boosts gasoline octane rating for V-twin engines
  • Safe for turbos, oxygen sensors, and catalytic converters
  • Compatible with carbureted and fuel-injected systems
  • Reduces exhaust emissions and promotes cleaner burn

For riders looking to get the most out of their Harley-Davidson or Indian Motorcycle, an octane boost can make a real difference. This formula helps prevent engine knock and pinging, especially critical for high-performance V-twins or when using lower-octane fuels. It's developed to be safe for all modern engine components, including those with turbochargers, oxygen sensors, and catalytic converters, ensuring broad compatibility without compromise.

Unleash Your Engine's Potential

  • Increases the octane rating of gasoline for better performance
  • Safe for turbocharged engines, oxygen sensors, and catalytic converters
  • Works effectively in both carbureted and fuel-injected V-twin systems
  • Promotes cleaner combustion and helps reduce exhaust emissions

Sustained Performance for Your Ride

With a generous 15 oz volume, this octane booster is ideal for treating larger tanks or for regular use to maintain peak engine health. Each bottle effectively treats up to 25 gallons of fuel, making it a powerful and economical choice for the serious V-twin rider. Experience a smoother-running engine, improved throttle response, and a reduction in harmful emissions with consistent application.

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

Common questions

How much fuel does one bottle treat?

One 15 oz bottle of Lucas Octane Booster is formulated to treat up to 25 gallons of fuel. For best results, add it to your tank before filling with gasoline.

Will this work in my carbureted Harley?

Yes, Lucas Octane Booster is designed to work effectively in both carbureted and fuel-injected V-twin engines, offering performance benefits across various setups.

Is this safe for my catalytic converter?

Yes, this formula is specifically developed to be safe for catalytic converters, oxygen sensors, and turbocharged engines, ensuring no damage to your exhaust system.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDLucas
TYPEChemicals
SKU58-5291
WEIGHT0.94 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
5
4 RATINGS
5★ 4
4★ 0
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Aug 14, 2019

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

— Anonymous
✓ VERIFIED
Aug 24, 2020

Haven't tried it yet

— Anonymous
✓ VERIFIED
May 29, 2015

Lucas keeps the octane up and fuel system clean.

— Anonymous
✓ VERIFIED
Oct 2, 2012

I have used it on my last three bikes and have never had a problem with engine knock.

— Anonymous