Fitment: The 36-181 carburetor Jet Assortment Kit Replacement for Holley Model 2010, Model 2300, Model 4010, Model 4011, Model 4150, Model 4160, Model 4500 Replacement Part Number: 36-181 Packing List: 2 Each of Brass Jet Sizes 64-99 with 1/4 -32 thread total 72 jets Premium Materials: 36-181 Main Jet Assortment Kit is made of premium materials, designed for durability, providing reliable performance and long-term durability, easy to install and reliable performance Product dimensions: Each nozzle is individually packaged and labeled on a plastic inner box for easy identification and retrieval. A comparison of nozzle hole sizes is also included in the packaging

This is a standard Main Jet Kit Replacement For Holley 36-181 Jet Assortment Kit and Fit For Holley Carburetor main jet kit

Specifications:
Thread sizes of 1/4 "-32

Compatible with:
Replacement for Holley 2010,2300,4010,4011,4150,4160,4500 Carburetor Carb Jets Kit 

Replaces Part Number:
36-181 

Package Contents:
The Package Included 36-181 carburetor Jet Assortment Kit #64-99 with 1/4 -32 thread total 72 jets