Holley Carburetor Main Jet Kit 64-99 Size Assortment, 72 Jets, 2 Each, 1/4-32 Thread, Fits Holley 2010 2300 4010 4011 4150 4160 4500 Models, Sweet For Tuning Fuel Mixtures On Street And Race Cars

Holley Main Jet Kit: 72 Jets for street and race tuning
✔️ 72 brass jets, 2 per size 64-99, 1/4-32 thread, fits Holley

This carburetor main jet kit includes 72 brass jets (2 of each size, 64-99) in a labeled plastic case for easy access. It's designed to precisely tune fuel mixtures on Holley models 2010, 2300, 4010, 4011, 4150, 4160, and 4500, making it ideal for both street and race setups.

✅ 72 jets included (2 per size, 64-99) with 1/4-32 thread
✅ Brass construction for durable, precise tuning
✅ Labeled plastic storage case for quick access and organization
✅ Fits Holley models 2010, 2300, 4010, 4011, 4150, 4160, 4500

💡 What is a main jet kit used for in carburetor tuning for street and race engines? A handy tool to dial in air-fuel mixtures by selecting the right main jets for your Holley carb. - Precise jet sizes enable tuned air-fuel ratios across RPM ranges - Brass jets resist wear for accurate, repeatable performance - Fits Holley models 2010, 2300, 4010, 4011, 4150, 4160, 4500