Motorad Engine Coolant Thermostat (180) Degrees Each #300180 Brand_Hooker -Radio frequency interference (RFI) is

-Radio frequency interference (RFI) is eliminated

Royal Purple recommends its Snow 2-C

Left hand 15 degrees

Fits Small Block Chevy w/ Square Exhaust Ports

Motorad Engine Coolant Thermostat (180) Degrees Each #300180 Brand_Hooker -Radio frequency interference (RFI) isRange of sophisticated machines, which includes a variety of high speed assembly machines and automated calibration equipment. State of the art equipment, strict quality control and functional testing to each thermostat ensure the customers that they can trust the high quality product used in their vehicle. Features : High grade stainless steel and copper construction Meets or exceeds OEM standards Consistent and precise response to cooling system