The o-rings in this section are exact replacements for Trans-Dapt Performance Products' O-ring style Water Necks. Each package includes three o-rings.
 
Part # ProductTube DiameterEngine Media
6012 Replacement O-rings for ALUMINUM Waternecks
Photo
$1.64
9243 Replacement O-rings for CHROME Waternecks
Photo
$2.21
9416 Replacement O-rings for Waterneck #9415
$2.63
9441 Replacement O-rings for Waterneck #9440
$3.86
 
http://hedman.com/images/ePIM/original/6012.jpg
http://hedman.com/images/ePIM/original/9243.jpg