NOS Nitrous Filter - High Pressure -04AN x -04AN Port and Identification Kit NOTE: Does not fit 1987-up

NOTE: Does not fit 1987-up small block Chevy with center bolt valve covers

this piston stop features 14mm thread for use in most engines

Owner serviceable with custom valving available

MSD / GM Small Cap EFI

GM Gen II/Mark IV Big Block V8

NOS Nitrous Filter - High Pressure -04AN x -04AN Port and Identification Kit NOTE: Does not fit 1987-upNOS 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