SeaEagles Main Jet Assortment Kit for Holley Carburetors — 72 Brass Jets (Sizes 64–99, 1/4-32 Threads)

The SeaEagles 36-181 Main Jet Assortment Kit supplies 72 brass main jets sized 64 through 99, fit for a range of Holley carburetors with 1/4-32 threads.

This kit is a full replacement for Holley 36-181 jet assortments and is designed to work with many common Holley gasoline carburetor models, including 2010, 2300, 4010, 4011, 4150, 4160 and 4500. Each jet follows Holley-style aperture sizing and is delivered in clearly labeled inner packaging for fast identification during rebuilds or tuning sessions. The set includes instructions for comparing jet aperture sizes so you can match flow characteristics when refining mixture or restoring a carburetor to spec.

Which Holley carburetors does this kit support?

This assortment covers a broad set of Holley models that share the 1/4-32 main jet thread and Holley-style aperture sizing. It’s suitable for both older and later production carburetors listed by Holley when these thread and sizing standards apply.

• Compatible models: 2010, 2300, 4010, 4011, 4150, 4160, 4500
• Thread standard: 1/4-32 for direct replacement
• Jet sizing: Brass apertures from size 64 through 99
• Quantity: 2 of each size, totaling 72 jets for extended tuning options

How will this kit help when tuning or rebuilding a carburetor?

Replacing or swapping main jets is a primary method to alter fuel flow and achieve the correct air–fuel ratio for a given engine and operating condition. Having a full assortment on hand reduces downtime and lets you try incremental changes until desired performance is reached.

• Allows stepwise tuning across sizes 64–99 for fine adjustments
• Two of each size prevents repeated ordering during iterative testing
• Brass construction resists corrosion while maintaining machinability
• Clear inner packaging and labeling speeds selection during rebuilds

What exactly is included and how is it packaged?

The kit contains 72 brass main jets, two pieces of every integer size from 64 through 99, supplied in a compact plastic inner box. You’ll also find a size-comparison instruction sheet to help match new jets to originals or to guide educated swaps for tuning.

• 72 brass main jets (2 each of sizes 64–99)
• Plastic labeled inner box for organized storage and quick access
• Jet aperture size comparison instructions included in the package
• Sold as a Holley 36-181 replacement assortment for convenience

Are there any fit or installation notes I should know?

These jets are machined to Holley-style dimensions and the 1/4-32 thread common to the supported models, but double-check thread engagement and seat condition during installation. Replace damaged seats or use appropriate washers if recommended by the carburetor rebuild procedure to ensure a proper seal.

• Verify your carburetor main jet thread is 1/4-32 before installing
• Inspect seats and clean passages for accurate fuel flow readings
• Use the included comparison guide to select the correct aperture
• Store unused jets in the labeled inner box to avoid mix-ups

Who is this for: This SeaEagles 36-181 assortment is intended for mechanics, restorers, performance tuners and DIY enthusiasts who service Holley gasoline carburetors and want a comprehensive, ready-to-use selection of main jets. It’s particularly useful for shops and hobbyists who rebuild multiple carburetors or experiment with tuning because it reduces the need for multiple orders and speeds up the trial-and-error process.