A lightened competition flywheel.
Its simple stuff like this that can make you work like a pro,this engine went into the engine bay and located on the transaxle just great.
Supplier of Wooden Kit Boats,CNC design,epoxies,bronze nails,Beech,Ash,Teak,marine and exterior grade plywood,bending plywoods and Flexible veneer sheets. Agents for these and many other companies: North Sails,Harken,Lewmar,Ronstan,Raymarine,Yanmar,International Paints. See also our blog on cars,its another side of what we can do,try this link http://royckdboats.blogspot.com/