Athena 68mm Nikasil Cylinders (Pair). Athena 68mm Pistons Pair (Includes Pistons, Rings, Pins, & Clips). Athena Complete Top End Gasket Set. Athena Cool Head (With Domes).The item "Yamaha Banshee Athena 400cc 68 Big Bore Cylinders Pistons Top Rebuild Head Domes" is in sale since Friday, June 8, 2018. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "azquadparts" and is located in Gilbert, Arizona. This item can be shipped worldwide.