Ronstan Ball Bearing, Series 30 - Linked with Series 20mm Block guide pole covers AT last a cooling system

AT last a cooling system solution for adapting the popular GM LS engine into any Jet Boat or application with an external water pump source

enables easy relocation on filter to another position

4 x ORB fittings

The flexible Dyneema® Link used in multi-sheave blocks provides 0° or 90° orientation

Imperial shaft sizes

Ronstan Ball Bearing, Series 30 - Linked with Series 20mm Block guide pole covers AT last a cooling systemSheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Features: Low friction 2 stage ball bearing system provides consistent performance over the full working load range. High static and dynamic load capacity. Light weight Versatile head fittings Applications: Primary lead blocks on dinghies and catamarans Control lines on