This will let precious cold air or heat escape. This resistor mounts on the top of the heater/evaporator box on the firewall.
Valve Cover Breather & PCV Valve Push-In GM Chevy Pontiac Ford Mopar Chrome 350
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1970 GM CHEVY CORVETTE CHEVELLE CAMARO PONTIAC 18" 7 BLADE CLUTCH FAN OeM
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