Billet Metering Block Kit; For Use w/4779/4781 Style Carburetors; For Use w/4 Corner Idle Systems; Must Have Correct Main Body; Sold Individually;
Billet metering block for mechanical secondary carburetors w/4-corner idle, 3 emulsion channels, designed for street/strip applications. Includes adjustable idle feed restrictions, non-stick gaskets, idle mixture screws and vent baffle.
  • Adjustable Idle Feed Restrictions
  • 3 Pre-Drilled Emulsion Channels
  • Non Stick Gaskets
  • Exclusive QFT Positive Retaining Vent Baffle
  • Stainless Steel Idle Mixture Screws With Nylon Seals
  • Primary Spark Advance Tube For Use w/Vacuum Advance Distributors
  • Detailed Installation Instruction Sheet
  • Sold As Kit That Incl. Both Primary And Secondary Metering Blocks
  • Requires QFT 6-32 Thread Bleeds For Modification

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

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.