Square and Rectangle port flares Single 4 Gauge to Dual if you have a 4"x6"

if you have a 4"x6" port with a port area of 24 square inches

tig welded and powdercoated textured black

49MM 6 RIB ALTERNATOR PULLEY CAP (BRAND X/SINGER/ETC)

2000-2013 GM Triple billet alternator bracket ***DELUXE SET**** This fits the 4

-18B 90AH 12

Square and Rectangle port flares Single 4 Gauge to Dual if you have a 4"x6"Square and Rectangle port flares. These are Made to be used with your self made playwood or mdf rectangle or square port tubes that have 3 4" walls, or at least the last 1" of the tube. The sizes listed are the inside dimensions of the port flare opening and have a 1" radius on the corners and the flare has a 1. 5" full radius on the opening. Outside dimensions can be calculated by adding 4. 25" to the port opening, for example, a 4"x6" port will have