Designed and built for each specific powersports engine. Dedicated forgings allow for optimized strength-to-weight ratio. Bolt Motorcycle Hardware. Carlisle Drive Belts. Open Trail. Motion Pro. Skinz Protective Gear.
As good or better than stock and not a "mystery-maker" item.
What can I say,it's made by Wiseco,for those who never heard of the maker (in sorry) they are top-notch.
Other than gapping the rings there is nothing else needed,direct fit to stock bore.