Rebuild & Repair Kit for 
450-780 CFM Carburetors

For Carburetors w/ Vacuum Secondary
Also fits Holley® & Quick Fuel®
Features:
  • Proform, Holley, and QFT 450-780 CFM Vacuum Secondary Carburetors
  • Includes Needle and Seats, Accelerator Pump Diaphragms, and Gaskets with Nylon Inlet Nut and Bowl Screw Gaskets
  • Sold as One Complete Kit
  • Sold as One Kit
PART# 67221
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If you don't have hours to spend accumulating all these small parts, then PROFORM's performance rebuild kit is the perfect solution. The kit includes two size 110 machined needle and seat assemblies, needle and seat adjustment screws and nuts, an accelerator pump diaphragm, size 6.5 power valve, vacuum diaphragm, two idle adjustment screws, six non-stick precision die-cut gaskets for meter blocks, six non-stick precision die-cut gaskets for the main body/throttle body connection, one non-stick precision die-cut gasket for the throttle body/manifold seal, assorted rubber, metal, nylon and paper seals, and other miscellaneous items necessary for a successful rebuild. Can be used with any racing gasoline.

Warning for part number #67221:
  • This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
  • Can be used with any racing gasoline.
  • Features: Two machined needle and seat assemblies
  • Saves time! Tons of small hard to find items all in one kit.
  • Features: 4-window high flow 6.5 power valve
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