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Athena Big Bore Complete Cylinder Kit P400270100002 for 2001-2008 KTM 65 SX
Athena P400270100002 Big Bore Complete Cylinder Kit (80cc) - 5.50mm Oversize to 50.00mm, 15:1 Compress. Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome. Specially designed, high performance, hard anodized power valves (cannot use OEM). Kit also includes Athena top end gasket set with required seals and hardware. Piston kit includes cast lite flat top piston, rings, clips and pin.