(Pair) Main Jet 83 Size 1/4-32 Thread Brass Fits: Holley Carburetor 2300, 4150, 4160 & 4500 Carburetor Main Jets Specs: *Sold as a Pair *Size 83 Main Gas Jets *These Jets Have a .094" Orifice Size (Standard Size Orifice for this size main jet) *1/4-32 Thread Size *Made of Brass *Fits Holley & Holley Style Carburetors Including AED, Barry Grant, Quick Fuel, Demon, Avenger and More!!! *These Parts Will Come In Bulk Style Bag Packaging *Part Number: 122-83