Ronstan Ballslide Car - Series 6 - Headboard MERCIMPELLER For engine cooling or bilge

For engine cooling or bilge pump applications

6 x M11 x 13/4” long 12 point head

Battery width: 165-187mm

Ball Bearings: High compression strength Acetal

Specific mounts for your engine may need to be fabricated

Ronstan Ballslide Car - Series 6 - Headboard MERCIMPELLER For engine cooling or bilgePatented system uses low profile cars running on twin races of acetal ball bearings. Cars use the existing luff groove of the mast (no track or installation work required). Ball bearings are captive for easy loading and unloading of cars from mast. They can be easily switched between fully battened and soft luff mainsails. Minimum distance from mast to mainsail luff enhances mainsail efficiency. With a complete range of car profiles and feet there is