Engine Carburetor Metering Block Upgrade Kit; Fits 750-850 CFM 4150 Style Carburetors; Includes Primary and Secondary Blocks Along With Gaskets; Made From High-Quality Billet Aluminum; Black Anodized Finish; Sold As One Complete Kit
Upgrade your Double Pumper with race-ready billet metering blocks! Primary block retains the original vacuum provisions. Secondary block has no power valve provision to fit the latest generation of carburetors. Kit includes necessary gaskets for conversion. These blocks have a four corner idle system provision (you must have the correct throttle body for the four corner idle system to work). Available in Black.
  • Fits 750-850 CFM 4150 Style Carburetors
  • Includes Primary and Secondary Blocks and Gaskets
  • High-Quality Billet Aluminum
  • Black Anodized Finish
  • 1-inch Stud Length
  • Sold as One Kit

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Get it Installed

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.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.