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Fuel System Additives

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives,...

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives, you can safely clean your fuel injectors with fuel system cleaners, stabilize your fuel for storage, boost your octane or cetane levels with an octane booster or a cetane booster, or even change nitromethane fumes into something smelling more pleasant.

Top Brands


Gasoline, diesel fuel, ethanol, nitromethane—no matter what powers your project car or truck, Summit has all the fuel system additive brand names to make it run better from the inside out....

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives, you can safely clean your fuel injectors with fuel system cleaners, stabilize your fuel for storage, boost your octane or cetane levels with an octane booster or a cetane booster, or even change nitromethane fumes into something smelling more pleasant.

Top Brands


Gasoline, diesel fuel, ethanol, nitromethane—no matter what powers your project car or truck, Summit has all the fuel system additive brand names to make it run better from the inside out. Shop from trusted brands like Red Line, Sta-Bil, Driven Racing Oils, VP Racing, Lucas Oil, Hot Shot’s Secret, Royal Purple, Sea Foam, Motorcraft, and many more.

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Results 1 - 3 of 3

Klotz Synthetic HeliGlow Lubricant

Klotz synthetic HeliGlow lubricant is a high-performance lubricant designed specifically for two-stroke and four-stroke radio-controlled helicopter glow engines. It promotes easier starting and provides the necessary lubricity for smooth engine speed transitions. The formulation also contains dispersants to minimize smoke generation, and air release chemistry to prevent foaming during flight. This product will mitigate 'four-stroking', which is a common problem in two-stroke radio-controlled helicopters where combustion does not consistently occur every two cycles. Klotz HeliGlow is intended for pre-mix only and is not suitable for oil injection systems. It blends with gasoline, E-85, alcohol, and nitromethane.

5.0 out of 5 stars ( 1 )

$74.89

Maxima Hi-Test Octane Booster

Maxima Hi-Test octane booster is a concentrated octane booster legal for all types of competition. Hi-Test octane booster is an all organic product containing no metal compounds. Hi-Test readily mixes with all gasoline's as well as alcohol and nitro mixtures. Hi-Test will suppress detonation and pre-ignition by modifying the burn rate and increasing the auto-ignition temperature of the air/fuel mixture. The use of Hi-Test octane booster in your gasoline will eliminate "pinging" and "knocking" and the potentially destructive results of them. Hi-Test will allow for higher compression ratios and therefore more horsepower. One ounce per gallon raises the effective octane number approximately four points, depending on the base gasoline octane. For racing or very high compression engines, or very low quality fuel, higher concentrations of Hi-Test may be required.

4.0 out of 5 stars ( 3 )

$9.99

Seafoam Spray

Seafoam Spray is for internal engine use only to clean carbon deposits from the intake systems, intake valves, and combustion chambers of your engine. It is a petroleum-based product designed for use in cleaning harmful gums, varnishes, and carbon from air induction systems and combustion chambers on all 2-cycle and 4-cycle gasoline engines. It cures hesitation, stalls, pings, flat spots, and rough idle due to carbon buildup. Seafoam Spray will clean intake valves and pistons, catalytic converters, and oxygen sensors, and will help restore power and pickup.

3.71 out of 5 stars ( 7 )

$16.99

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