Ronstan Ball Bearing Utility Blocks - Series 15 - Single Cheek Block, Single Mounting riser gasket (Also replaces heat exchanger only

(Also replaces heat exchanger only from mercruiser kits # 91036A5 and 91036A8)

and ISO 7840:2004 standards

Switches come standard with the battery symbol label

Supplied with Exhuast Flange Gaskets

Large Total Length 360mm  Base Length 130mm  Base Width 55mm

Ronstan Ball Bearing Utility Blocks - Series 15 - Single Cheek Block, Single Mounting riser gasket (Also replaces heat exchanger onlySmallest 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 Features lateral supports for improved mounting stability