This has genuine KOYO crank main bearings!
This is a BRAND NEW long rod 4mm stroker crankshaft with 115mm rods for a Yamaha Banshee, any year, 1987-2006.
This is brand new, better than factory, and half the price!
Main bearings and wrist pin bearings included, and are also brand new.
These retail for over $600, but get them here on the cheap. These are ready to install!
This has also been WELDED for top notch reliability and durability.
These are +4mm stroke, +5mm long rod (115mm)
NO CRANKCASE MODIFICATION is needed to install this crank