Replacement, 3-Pack of Rubber O-rings for Use With Trans-Dapt 6104 and 6105 Water Neck Risers.
O-ring style water necks (aka theromostat housings) offer a superior, leakproof seal, compared to their gasket-style counterparts. The rubber o-rings in this 3-pack are for use with Trans-Dapt's billet aluminum water neck risers.