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Rochester Quadrajet Primary Metering Rod - 4MV - MR130
Rochester Quadrajet Primary Metering Rod - 4MV - MR130

Rochester Quadrajet Primary Metering Rod - 4MV - MR130

9 Review(s)
Your Price: $6.95
1974 & Earlier Quadrajets
Part Number: MR130
Availability: In Stock

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Rochester Quadrajet, 4 barrel carburetor primary metering rods. Quadrajet 4MV only. 1974 and earlier.

The primary metering rod is tapered, getting smaller towards the end. While hard to see, the old rod should have a number stamped on the rod. The number will correspond to the last 2 numbers in our number nomenclature, i.e. 130-39, might have a stamping of 39B. The 39 indicates the larger diameter of the rod is .039".

The small diameter end is the power end. When you are at idle, or low power, vacuum is at the highest and the bigger diameter is in the main metering jet. As you power up, the vacuum drops, raising the rod so that the smaller end is in the jet, allowing more fuel to pass.



Part number w/size
OEM Number
130-39
7034839
130-42
7034842
130-43
7034843
130-44
7034844
130-45
7034845
130-48
7034848
130-49
7034849
130-50
7034850


Price is per rod.


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