• Shaft and connecting rods made of heat treated, forged steel. Assembled with a special alignment process to increase bearing and seal life.
• Dynamic balance rating (18,000 rpm) allows for top racing performance.
• Available in 10mm and 12mm wrist pin sizes
• Full circle design to increase crankcase compression.
• Assembled with top quality needle bearings.

*Available also for Minarelli style engines using a 12.86mm spline.

* Recommended for high output engines*