Econo-Kool is the most economical Heat Exchanger Kit on the market. These systems are especially designed for the "do-it-yourself" installer who supplies only the hose and clamps.

Block & manifold cooling for Chevy engines; inboard, V Drive, and stern drive. Small block engines use a heat exchanger that has a 4" diameter and is 25 inches long, four pass design. Big Block engines use a heat exchanger that has a 5" diameter and is 25 inches long, four pass. Installer must supply hose and blank gaskets. In some installations manifold fittings (pipe thread to hose) may be required.

SK4068F P/N - Small Block engines up to 360 C.I.D.
SK4008F P/N - Big Block engines up to 500 C.I.D.

Extend the life of your engine while protecting it from corrosion with this EASY TO INSTALL, quality built, and uniquely designed heat exchanger cooling system.

1.     Get improved fuel efficiency through more uniform engine operating temperature

2.     Adapts to use of cabin heater in cooler climates

3.     Simplifies winterizing

4.     Zinc anode helps control electrolysis

5.     Kit includes detailed installation instructions

6.     Benefit of inhibiting rust antifreeze protection

7.     Workmanship and materials are fully guaranteed

This is a complete kit, there is nothing else to buy.