These Proflow main jets control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Proflow Main jets are flow tested and then stamped with the correct number.

Features:

  • Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 or Holley based carburettors
  • Sizes from 64-99
  • 1/4-32 Thread
  • #75 Jet size
  • Standard Main Jet
  • All Proflow jets are sized by actual flow.

More From This Category

Proflow Holley Jet Kit  Range Of Sizes, Pair of Each, 64 To 99, Flowed, Brass To Suit Holley, Quick Fuel, Barry Grant, Boxed Kit

Proflow Holley Jet Kit Range Of Sizes, Pair of Each, 64 To 99, Flowed, Brass To Suit Holley, Quick Fuel, Barry Grant, Boxed Kit

$135.00

Quick Fuel Air Bleeds, Assortment, Brass, 75-85 Range, Four of Each Size, Clear Plastic Case, Kit

Quick Fuel Air Bleeds, Assortment, Brass, 75-85 Range, Four of Each Size, Clear Plastic Case, Kit

$183.26

Proflow Holley Jets Size 99, Flowed, Brass To Suit Holley, Quick Fuel, Barry Grant, Sold As Pair

Proflow Holley Jets Size 99, Flowed, Brass To Suit Holley, Quick Fuel, Barry Grant, Sold As Pair

$16.50

Quick Fuel Standard Main Jet, Gas, #74, .074 in, Pair

Quick Fuel Standard Main Jet, Gas, #74, .074 in, Pair

$20.23