As you can see in the photo, this type has a bypass-valve on the bottom. It is mainly used in Inlet of the engine cooling circuit. As water temperature rises in the engine, the bypass-valve slowly shuts bypass hole. This allow more water to flow into the radiator.These days, most engines use this type.
Heatshield Products Cold-Gold Tape 2 IN X 50 FT 344009AED 630.00 inc. VATAdd to cart
Heatshield Products Cold-Gold Tape is specially designed to shield radiant heat, as well as to present a show-quality look. With exclusive TruGold technology, it’s capable of reflecting up to 90 percent of radiant heat—and features specially formulated fiberglass-based backing material that also acts as a fire barrier for extra protection. Choose the length and width …