NOS/Nitrous Oxide System - Nitrous Bottle Purge Valve for -4AN Line Fitting - Hose End -

Fitting - Hose End - Crimp-On - 60 Degree - 10 AN Hose Crimp to 10 AN Female - Aluminum - Black Anodized - Each

450 in Long - Hex Head - Stainless - Polished - GM - Pair

875 in Long - Hex Head - Stainless - Polished - Universal - Set of 16

Tread Depth Gauge - 1/32 to 7/16 in Tread Depth - Mechanical - Analog - Black Storage Pouch - Each

NOS/Nitrous Oxide System - Nitrous Bottle Purge Valve for -4AN Line Fitting - Hose End -The primary purpose of a purge valve is to release trapped air or gaseous nitrous from feed line(s). Helps to ensure consistent performances. And it looks cool, too. You've probably seen the Import or Pro Mod guys do it. Includes all required components.