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Holley power valve anti-blow kit fits model 2300, 4150, 4160, 4165 and 4175 Holley carburetors.
Part Number: HJ446
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(on orders over $189.99) - not valid with any other sales offer
Holley power valve anti-blow kit fits model 2300, 4150, 4160, 4165 and 4175 Holley carburetors.
Power valve anti-blow kit is located in the power valve vacuum port in the base of the carburetor, the check-ball prevents a backfire through the carburetor from rupturing the power valve diaphragm.
Kit includes 2 springs, 2 brass seats, 2 check-balls, a drill-bit with a "stop" to prevent over-drilling, and detailed instructions. One kit is enough to do 2 power valves.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

