Adaptation: Fit for Holley Carb Main Carburetors 2010 2300 4010 4011 4150 4160 4500 series

Replacement Part Number: 2240-8

Thread size: 1/4 in.-32 UNF

Size:
68 (0.068" / 1.73mm)
69 (0.069" / 1.75 mm)
70 (0.070" / 1.78 mm)
71 (0.071" / 1.8 mm)
72 (0.072" / 1.83 mm)
73 (0.073" / 1.85 mm)
74 (0.074" / 1.88 mm)
75 (0.075" / 1.9 mm)

This 2240-8 carburetor main jet kit is designed specifically for Holley carburetors and is compatible with the 2010, 2300, 4010, 4011, 4150, 4160, and 4500 series, with a 1/4"-32 thread size. The kit includes nozzles in various sizes, from #68 to #75, allowing for precise tuning for different environments, driving habits, and performance requirements. Replacing the appropriate nozzle effectively optimizes the mixture ratio, allowing for more complete combustion, thereby improving throttle response, acceleration, and overall power output.

Made of high-quality materials, it offers excellent corrosion and high-temperature resistance, ensuring long service life, resistance to clogging and deformation. The complete set eliminates the need to purchase multiple sizes separately, making it economical, portable, and a convenient backup option. It's ideal for routine maintenance, performance upgrades, and racing modifications.

This nozzle kit provides greater flexibility in Holley carburetor tuning, helping you easily achieve optimal engine performance.