Ronstan Ball Bearing Utility Blocks - Series 15 - Upright Lead Block steering adapter (triangle) 1

(triangle) 1

While the system is offered with or without a closed cooling tank it MUST USE a closed cooled tank of some kind

Precise control of the outside diameter ensures ease of connecting mating ports with marine exhaust hose

Large: Outside Dim: 325x112mm

While there are numerous universal OEM closed cooling kits

Ronstan Ball Bearing Utility Blocks - Series 15 - Upright Lead Block steering adapter (triangle) 1Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing