NOS Nitrous Filter - High Pressure -04AN x -04AN 4704323-10 Machined from aluminum alloy and

Machined from aluminum alloy and anodized in the familiar red and blue made famous by Earl's

380 in Square Port

Sold in 16

3/4" 36-Spines

1965-1967 Cadillac Calais

NOS Nitrous Filter - High Pressure -04AN x -04AN 4704323-10 Machined from aluminum alloy andNOS Nitrous Filter High Pressure 15550NOS 04AN x 04AN In Line Billet Aluminum Stainless Steel Mesh Filter Easy Installation Keeps Contaminants Out Product Description: Nitrous Oxide Filter Hi Flo In Line 140 Micron Stainless Element 4 AN Male Inlet 4 AN Male Outlet Aluminum Blue Anodized Kit 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