Maxima Hi-Test Octane Booster 16oz - Harley & Indian V-Twin
About Maxima
Maxima Racing Oils has blended lubricants in California since 1979 and supplies factory race teams across powersports. Its V-twin oils are formulated for the shared-sump and air-cooled realities of American engines.
Maxima Hi-Test Octane Booster is a concentrated fuel additive engineered to elevate the octane rating of your V-twin motorcycle's fuel, effectively preventing harmful detonation. Formulated without lead, manganese, or phosphorus, it's designed to eliminate the pinging and knocking often caused by lower-quality gasoline, ensuring smoother and more efficient engine operation.
Why riders pick this
- Concentrated formula boosts fuel octane rating
- Prevents engine detonation and pre-ignition
- Eliminates pinging and knocking from poor fuel
- Free of lead, manganese, and phosphorus
For riders demanding peak performance and protection from their Harley-Davidson or Indian Motorcycle, the quality of fuel matters. Maxima Hi-Test Octane Booster provides an immediate solution to common fuel-related issues, allowing your engine to run at its best. By increasing the octane, this additive helps your V-twin's engine resist pre-ignition and detonation, which can lead to power loss and long-term damage, especially in higher-compression or tuned engines.
Optimized Engine Performance
- Concentrated formula effectively raises fuel octane rating
- Prevents detonation and pre-ignition for smoother running
- Eliminates audible pinging and knocking from low-quality fuel
- Compatible with gasoline, alcohol, and nitro fuel blends
Protect Your Investment
Ensuring your V-twin receives the correct fuel octane is crucial for engine health and performance. Maxima Hi-Test Octane Booster is a simple yet effective way to safeguard your engine against the stresses of inadequate fuel. It's a smart addition to your fuel tank, providing peace of mind and consistent power delivery on every ride, without introducing harmful compounds.
Specifications
- Brand: Maxima
- Manufacturer Part #: 83916
- UPC: 851211005984
- Volume: 16 oz
- Weight: 1.02 lbs
- Dimensions: 2.7 in W × 2.7 in D × 7.15 in H
Common questions
How much Maxima Hi-Test Octane Booster should I add to my V-twin's fuel tank?
Always refer to the label instructions on the bottle for precise dosing recommendations based on your fuel tank size and desired octane increase.
Is this octane booster safe for all V-twin engines?
Yes, it is designed for V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models, and is formulated without lead, manganese, or phosphorus, making it compatible with modern engine systems.
Will this product work with ethanol-blend fuels?
Yes, Maxima Hi-Test Octane Booster is compatible with gasoline, alcohol blends, and nitro fuel mixtures, ensuring broad applicability.
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.
| BRAND | Maxima |
| TYPE | Chemicals |
| SKU | 78-9950 |
| WEIGHT | 1.02 lb |
