Home / Driven Racing Oil / Fuel & Oil Additives / Carb Defender – Ethanol Fuel Additive – 8 oz 70040 Carb Defender – Ethanol Fuel Additive – 8 oz 70040 Sale! Carb Defender – Ethanol Fuel Additive – 8 oz 70040$9.99 $9.99 Carb Defender – Ethanol Fuel Additive – 8 oz Out of stock Category: Fuel & Oil Additives Description Description Carb Defender – Ethanol Fuel Additive – 8 oz