This lightweight aluminum expansion / fill tank from Canton has a 1/2 inch NPT bottom fitting and a 3/8 inch NPT side fitting. The tank has built-in side mounting brackets and accepts a standard radiator cap (sold separately).
An expansion tank is recommended for racing applications where the top of the radiator is mounted lower than the top of the engine. Mounting the tank higher than the engine insures a complete fill and provides an air space for expansion. Accepts any standard automotive radiator cap such as our Stant Radiator Caps, sold separately.
Total width, including mounting tabs: 6.53"
Depth (mounting surface to front): 3.18"
Width of can, without tabs: 4.63"
Overall height of can, including all fittings: 7.38"
Height of can without bottom fitting or filler neck: 5.73"
Depth that bottom fitting (1/2 NPT) protrudes from can: 0.65"
Depth that side fitting (3/8 NPT) protrudes from can: 0.50"
Capacity: 1.25 quarts
Maximum recommended pressure cap: 30psi
Click the image for a dimensioned drawing.