Athena 99-04 Yamaha Complete Gasket Kit (Excl Oil Seal) 2012-bmw-550i-base-esi6858047 Improved spark energy enhances engine

Improved spark energy enhances engine fuel combustion efficiency

powerful sound on acceleration but maintain a smooth sound at idle

Dual Free-Flowing Stainless Steel Mufflers

Advan GT Beyond 20x12 +20 5x114

Deep Cotton Pleats for Increased Flow

Athena 99-04 Yamaha Complete Gasket Kit (Excl Oil Seal) 2012-bmw-550i-base-esi6858047 Improved spark energy enhances engineAthena's gaskets have low moisture absorption, highest mechanical resistance, resistance to oils and gasoline, resistance to high temperatures and pressures, easy removal. This kit includes all the necessary gaskets for a complete engine overhaul (oil seals not included). Perfect interchangeability with the original