Carburetor Metering Block; For Use w/500 cfm 4412 Circle Track Carburetor; Internally Modified;
4412 Modified Metering Block - Used when rules prohibit billet or HP(R) style blocks. This block has been modified internally to increase the useable RPM range of the carburetor.
  • Carburetor Metering Block

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JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

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*Available on select products.