Replace rusted and bent factory heater channels with brand new, properly fitting parts. Heater Channels play an important role in keeping your engine alive. They deflect rocks and gravel away from push rod tubes, and create a smooth flow of air around the lower part of the cylinders, for added cooling. Can be used on all fresh air 40hp, 13, 15, & 1600cc upright engines.

Sold in complete sets for both sides of the engine.