Sea Foam ST20 Truck and SUV Motor Treatment Additive, 20 oz

from CJ

Seafoam is not shampoo, but it'll clean the inside of your engine, throttle body, and cylinders. Ive even used a bit inside cylinders when changing plugs. it's an old formula, but works like it was first intended to.

from Kathryn

The check engine light on my mid-size SUV would come on periodically. My friend would throw the code reader on it each time and the code had something to do with the catalytic converter… nothing to worry about. He recommended me putting this product in my gas tank. Initially I put it in every ...

from Spunkygrandma

It worked like it was supposed to..

from Rhaine

Good all around additive. I've used quite a bit of it over the years in push mowers, motorcycles, cars, etc. In cars can tell a slight difference for the better in the gas mileage for a little bit. And seems to do well in the other items I put it in. I will mention about two cycle gas oil mix it...

from

As a farmer I had many trucks, tractors and equipment. In farming some equipment is used seasonally. Before I discovered sea foam we would encounter many problems with equipment used seasonally. Sea Foam acts to preserve fuel. It displaces water and lubes upper engine parts.