4 PIECE VALVE STEM KIT ANODIZED ALUMINUM AIR TIRE RIM WHEEL PLEASE CHOOSE COLOR:Black * True 4-1 merge collector

* True 4-1 merge collector provide smooth exhaust flow and higher HP gain after tig welded we Ported it for better flow

All returns are subject to a 25% restocking fee and the returned product must be in unused

outlet is 4 inch

5MM-2MM PIPING AND MILD STEEL FLANGE

4 PIECE VALVE STEM KIT ANODIZED ALUMINUM AIR TIRE RIM WHEEL PLEASE CHOOSE COLOR:Black * True 4-1 merge collector1320 Performance bolt on aluminum valve stems are available in many colors. 1320 valve stems are precision made valve stems designed for racing and high performance street use. They are a great addition to any high performance wheel application. They come in a variety of colors to complement your wheels and will outlast conventional rubber valve stems. These will withstand the multiple and frequent pressure checks you'll need to take at the track!