This is a set of Yamaha Banshee Cylinders. These are FACTORY GENUINE OEM parts, not a re-pop or knockoff. Freshly bored out and hone matched to these exact production run pistons. They have been ported and polished - Aggressive trail porting: 42mm transfers, 28mm exhaust. Epoxy wormholes, for the rear transfers.Pro design studs for Cool Head. Wiseco 513, 66.00 pistons. Vito's Performance top end gasket kit. You get the exact ones shown in the photos. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Engine Parts\Other Engine Parts". The seller is "minkia38" and is located in this country: US. This item can be shipped worldwide.