CYLINDER WORKS CYLINDER KIT 82MM CYLINDER TOP GASKET SET AND VERTEX PISTON KIT HONDA CRF250R RXBIG BORE CYLINDER WORKS KIT PISTON KIT, GASKET KIT & CYLINDER Unlock your bike's hidden potential with the power producing and durable Cylinder Works Big Bore Kit. O. E. M. appearance big bore cylinder kit, a hand matched, forged Vertex big bore piston and top end gasket kit. These kits offer you an affordable way to increase horsepower and engine displacement without giving your secret away to your competition. Features: Cylinder New, not