Water Neck - Straight - 20 AN Male - Hardware / O-Ring Included - Aluminum - Black Anodized - Small Block Chevy - Each

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Water Neck, Billet Aluminum, Black Anodized, Straight Up, -20 AN Male Threads, Chevrolet, Small/Big Block, Each

Billet Specialties thermostat housings not only look good, but they also get rid of leaky paper gaskets thanks to their O-ring seal design. You can choose the conventional vertical housing or the high-tech 360 degree swivel housing. They're available straight-up or with a 0, 15, or 45 degree angle and come complete with stainless hardware.