High Performance 304 160 degree

$26.95 ADD TO CART

Manufactured by Robert Shaw and modified by Stewart, these custom thermostats feature a balanced sleeve design and are designed for high flow, high RPM applications. Strongly recommended for any performance application- must be used with Stewart Stage 2, 3, or 4 water pumps. Refer to our Tech Tips page for information on which thermostat is right for your application.

160°; Most Domestic Apps.
Modified 2 1/2" Dia.

Thermostats #304-306 fit the following special applications: Ford: 1954-1964 309L (239); 1954-1965 4.2L (256); 1954-1964 4.5L (272); 1965-1967 5.8L (352) Dodge: 1951-1966 all 8 cyl.; 1967-1969 4.5L (273 cid); 1970 4.2L (255 cid); 1967-1978 5.2L (318 cid); 1968-1974 5.6L (340 cid); 1971-1978 5.9L (360 cid); 1967-1971 6.3L (383 cid); 1972-1978 6.6L (400 cid); 1967-1971 7.0L (426 cid); 1967-1977 7.2L (440 cid)