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Installation is improved with the use of a backing block between the valve flange and the hull Each size fits multiple seacock sizes Press-threaded inserts into the hull side of the backing block into the holes match the seacock flange 1/2-inch thickness is rigid enough for a secure installation Boat equipment is flexible enough to conform to minor hull curvature Will not swell or absorb moisture Bolt: 5/16-inch - 18-inch Available for vehicle types 1-1/4-inch and 1-1/2-inch, 2-inch and 2-1/2-inch, 2-inch and 2-1/2-inch and 3/4-inch and 1-inch
Backing Block for Flanged Seacock Z1977
Sale price
$39.90
Regular price $206.44
Shipping calculated at checkout.