4340 Forged Chrome moly steel. Supplied With 20,000 H/Tensile Bolts. 16 mm Bronze Bush little end. Hypoeutectic pistons, 78mm prolite 16mm pins, super light, one compression ring, suited for street conditions. Premium grade cast iron for the job.
Machining available, we can resleeve your barrel, bore the top case to suit O/S sleeves, valve service head or big valve and porting work, lighten crank deball and clean and balance or we can do the whole engine. Machining involved to barrel and top case. Crank upgrade see pictures in store, 4kg lighter, polished, knife edged, modern design, oil gallery's cleaned and re-balled and balanced.