8x Tall SOLID Brass 5/16 UNF Exhaust Inlet Manifold Classic Car Bike

5/16 UNF 24TPI Pitch (Standard 5/16 UNF). SOLID BRASS. These Are Typically Used On Exhaust Systems And Exhaust Headers. 12.5mm Tall (1/2") - Taller Than A Standard UNC Nut. 1/2" Across The Flats (ATF) Design - Fits Standard 1/2" Sockets & Spanners.

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