HLY-122-5000 #1
HLY-122-5000 #2
HLY-122-5000 #3

Main Jet Extension

HOLLEY  |  Part# HLY-122-5000


AL Inventory: 1

MI Inventory: 23


Highlights:

  • Product Type - Main Jet Extension
  • Prop 65 - Short Label - prop65_warning.jpg
  • Prop 65 (C, R or CR) - CR
  • Prop 65 Yes/No - Yes
  • Title - Holley - JET EXTENSIONS

Jet Extensions - SCREW-IN - 1/4-32 In Thread - Brass - Standard Holley Jets - DEMON/HOLLEY 4150/4160/4500 Carburetors - Pair

$13.40


 





An improved jet extension design that actually screws into the metering block. The main metering jet then threads into the end of the extension. The installation effectively moves the fuel entry point for the main jet out into the fuel bowl. In this location it cannot be uncovered by fuel, causing a lean condition, during periods of hard acceleration or braking. 2 per package.