On the 64 C10 I need to be able to shut off the heater core in the summer while still maintaining flow through the heads. This little beauty fills the bill on all accounts! ~ Earl

#Mousetrap #Chevy #C10

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Chrome Plated 3/4" Heater Core Bypass Valve https://amzn.to/3OUaGg4

3/4" Heater Core Bypass Valve https://amzn.to/47zzLqz

5/8" Heater Core Bypass Valve https://amzn.to/3MrK0os

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