Holley Main Jet Kit Size 50 to 59

• Genuine Holley main jet set ranging from size 50 to 59
• Ideal for tuning and jetting Holley 2 barrel and 4 barrel carburettors
• Precision-machined for consistent fuel delivery and performance

This Holley main jet set includes ten pairs of jets, covering sizes 50 through 59. Perfect for tuners and engine builders, this kit allows precise tuning of air-fuel ratios across a wide range of engine setups. Each jet is stamped with its size for easy identification and sorted for quick access in your workshop or track toolbox.

Compatible with most Holley performance carburettors including 2300, 4150, 4160, and HP series. A must-have for serious tuning, dyno testing, or adapting to changes in altitude or fuel quality.

Contents

• Jet sizes included: 50, 51, 52, 53, 54, 55, 56, 57, 58, 59
• 2 jets per size (20 jets total)
• Each jet clearly stamped with size
• Supplied in organised storage case