NOS Tube Nut -3 AN - 3/16 in Tube - Red Heat Mat Mounting Kit Various styles of nozzles are

Various styles of nozzles are offered by Holley

chrome plated

timing and rev controls

Abrasion resistant

NOS Tube Nut -3 AN - 3/16 in Tube - Red Heat Mat Mounting Kit Various styles of nozzles areNOS Pipe Fitting Tube Nut 17551NOS 03AN 3 16 in. Tube Red Pipe Fitting Product Description: Fitting Tube Nut 3 AN 3 16 in Tube Aluminum Red Anodized Sold Individually The use of nitrous oxide as a performance enhancement has been used since World War II. Allied aircraft used it for emergency boosts in airspeed and altitude capabilities. By the end of World War II, jet propulsion had been invented and the United States' government was losing interest