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Street Demon 625 Calibration Kit

Part # 1921
1 Review

The exact metering rods, jets, and step-up springs to fine-tune your application

Street Demon 625 Calibration Kit

Estimated Ship Date: 07/18/2025
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$142.95
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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625 Street Demonยฎ calibration kits feature an assortment of metering rods, jets and step-up springs to fine tune to your application.

Features:

  • Primary main jet assorment of .074, .076, .080 and .082
  • Secondary main jet assortment of .078 and .082
  • Metring rod assortment of .056/.048, .058/.050, .058/.052, .060/.050, .062/.054 and .064/.056
  • Step-Up spring assortment of orange, blue, yellow and silver springs
  • Hard yellow storage case

About Demon

Get classic modular performance when you shop for Demon carburetors at Holley.com. We offer numerous models for countless applications.

Brand Demon
CategoryAir and Fuel Delivery
Emission Code5
Part TypeCarburetor Repair Kit
Product TypeStreet Demon Calibration Kit
Sub CategoryCarburetion
WarrantyManufacturer's Limited 90 Day Warranty
UPC792898400153
Part Number1921
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Manufacturer's Limited 90 Day Warranty: See Details
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Some parts are not legal for use in California or other states with similar regulations.