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1955-1991 Mr Header Gaskets GEN 1 262-400 w/Round Ports 1.625

Item EK-40-878108-1
38 Reviews of Mr. Gasket
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$37.01

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      Product Information

      Features, Description, Q&A

      Features

      • Standard Main Jet
      • 1/4-32 Thread
      • 0.049" Jet Orifice Diameter
      • Rated by Flow Capacity in Cubic Centimeters per Minute
      • Flow Tested and Stamped With Correct Jet Number
      • Fits Holley Models 2010, 2300, 4010, 4011, 4150, 4160 & 4500
      • Sizes Available From 40 to 110
      • Brass Construction
      • Length: 0.35 Inch
      • Head Diameter: 0.31 Inch
      • Thread Diameter: 1/4-32 Inch
      • Manufacturer's Limited 90-Day Warranty

      Description

      Precision Fuel Metering. The Carburetor Standard Main Jet regulates fuel flow into the carburetor’s metering system to support proper engine operation. It is designed for tuning, delivering accurate fuel based on precise flow capacity measurements. This part is essential for maintaining proper air-fuel ratios in Holley carburetors.

      Construction and Appearance. Made from durable brass, the jet features a 1/4-32 thread and a 0.049 inch orifice diameter. It is flow tested and stamped with the correct jet number to ensure consistency and reliability. The brass finish offers corrosion resistance and durability.

      Installation. Installation is straightforward with no drilling required. It is designed for easy replacement within compatible Holley carburetor models, fitting securely with standard threading to ensure proper sealing and function.

      Warranty. Includes a manufacturer’s limited 90-day warranty covering defects in materials and workmanship.

      Application. Fits all Holley carburetor models 2010, 2300, 4010, 4011, 4150, 4160, and 4500. Suitable for performance tuning without impacting vehicle emissions compliance.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.5

      Reviews of Mr. Gasket Classic Exhaust Products (38)

      Questions & Answers

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