Robertshaw 333 Series hi flow balanced sleeve thermostat bespoke impeller 7L buick electra 84-80 V6

7L buick electra 84-80 V6 252 4

2L chrysler lebaron 79-78 V8 360 5

3L ford maverick 72-69 L6 170 2

1L chevrolet c10/c1500 pickup 65-63 L6 230 3

7L buick century 77-73 V8 350 5

Robertshaw 333 Series hi flow balanced sleeve thermostat bespoke impeller 7L buick electra 84-80 V6The Robertshaw 333 series thermostat has the distinction of being the only available thermostat that would accommodate the 351 Cleveland Controlled bypass system*. A 351C provided greater water flow in the engine for a faster, more even warm up without creating hot spots (particularly in the valve area). The bypass design controlled the water flow and temperature with less cycling and increased the flow to the radiator for improved cooling