Holley Main Jets (2) 122-47

Description

Precise fuel metering is non-negotiable for consistent carburetor performance, and main jets are the critical component that controls your engine’s fuel delivery at steady-state cruise and wide-open throttle. The Holley 122-47 main jets deliver the exact fuel volume your carb demands, ensuring optimal air-fuel ratio across your RPM range without guesswork. If you’re tuning a Holley carb for reliable, repeatable performance, you need jets matched to your specific engine setup and altitude conditions.

Technical Specifications:

• Jet size: #47
• Orifice diameter: 0.047″
• Material: Brass construction
• Quantity: Pair (2)
• Application: Holley carburetors
• Type: Main jets
• Installation: Bolt-on replacement