Forespar Marelon Full-Flow Seacock 1/2" Mushroom Through-Hull [904042ABYC] Lewmar 40mm Control Blocks Boat-specific tube and sling lengths

Boat-specific tube and sling lengths provide a custom fit for each boat

Two compartments—one for each board

A - 23 1/2" (597mm)

Hunter 170 Running Rigging Kit

Forespar Marelon Full-Flow Seacock 1/2" Mushroom Through-Hull [904042ABYC] Lewmar 40mm Control Blocks Boat-specific tube and sling lengthsMarelon Full Flow Seacock & 1 2" Mushroom Through Hull This integrated 2 part system comes complete with a Marelon valve and properly matched mushroom head thru hull with super strong buttress type threading. This new package is designed to eliminate valve and thru hull thread style mismatches and associated cross threading for after market installations common when customers select individual parts from bins. Features: System Includes Full Flow