ATHENA ATHENA RACING CDI

2-STROKE KITS CYLINDER KITS INCLUDE A NICKEL CARBIDE COATED CYLINDER PORTED TO FACTORY SPECS., SPECIAL HARD ANODIZED EXHAUST VALVES, COMPLETE PISTON KIT AND A TOP END GASKET SET CYLINDER KITS INCLUDE ALL PARTS IN THE KITS PLUS AN ALUMINUM CYLINDER HEAD WITH REMOVABLE BRASS DOME ALLOWING FOR HIGHER COMPRESSION AND ANTI-DETONATING FEATURES 4-STROKE KITS AVAILABLE IN STANDARD BORE AND BIG BORE SIZES 4-STROKE KITS INCLUDE A NICKEL CARBIDE COATED CYLINDER DESIGNED WITH WIDER WATER JACKETS, COMPLETE PISTON KIT AND A TOP END GASKET SET.