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MSZ Holley 125 45 Single Stage Power Valve P15199976MSZ-HOL-125-45 https://cdnimages.opentip.com/full/MSZ/MSZ-HOL-125-45.jpg Holley 125 45 Single Stage Power Valve Manufacturer Part Number: 125-45Single-Stage Power ValveThere still seems to be a lot of misconception about Holley carburetors blowing power valves. Nothing could be further from the truth. Holley performance carburetors built since 1992 have utilized a power valve check system that effectively eliminated this infrequent problem. Consisting of a spring, brass seat and check ball, the check ball system is 100 percent effective protecting the power valve diaphragm from damage due to engine backfire.The power valve check ball is designed to be normally open but quickly seals to close off the internal vacuum passage when a backfire occurs. Once closed, the check valve interrupts the pressure wave generated by the backfire, thus protecting the power valve diaphragm. There is no way that the power valves diaphragm can rupture due to an engine backfire!Power ValveSingle-Stage Power Valve; Standard Flow; 4.5 in. Hg.; 15199976 090127023358 0.0900lbs 1.00 3.00 5.00
Holley Performance
13.4600 2025-06-29 19 In Stock

Holley 125-45 Single-Stage Power Valve

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UPC: 090127023358
SKU: MSZ-HOL-125-45
Price: $13.46
Quantity:
19 In Stock
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Product Description

Manufacturer Part Number: 125-45

Single-Stage Power Valve

There still seems to be a lot of misconception about Holley carburetors blowing power valves. Nothing could be further from the truth. Holley performance carburetors built since 1992 have utilized a power valve check system that effectively eliminated this infrequent problem. Consisting of a spring, brass seat and check ball, the check ball system is 100 percent effective protecting the power valve diaphragm from damage due to engine backfire.The power valve check ball is designed to be normally open but quickly seals to close off the internal vacuum passage when a backfire occurs. Once closed, the check valve interrupts the pressure wave generated by the backfire, thus protecting the power valve diaphragm. There is no way that the power valves diaphragm can rupture due to an engine backfire!

Power Valve

Single-Stage Power Valve; Standard Flow; 4.5 in. Hg.;

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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This product is not eligible for coupon code discount, for we've been offering the best price in the market.
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