Top End Piston Kit 78-80 Honda CR 250 70.5mm 0.5mm Over Vintco KTH08-0.5

Top end piston kit for Honda CR250 models from 1978 to 1980, supplied as a complete rebuild set with piston, rings, pin, clips, top end bearing, and a full top-end gasket set. This +0.5 mm over kit is intended for 70.5 mm applications and uses a forged, MoS2-coated piston. Rings are not compatible with original chrome-plated Honda cylinders on 1979 CR125 and 1978-1980 CR250 models, and are suitable only for Nikasil-plated cylinders or iron liners. Components are manufactured using modern materials and production methods for OEM-equivalent fitment and performance.

Features

• Complete top end rebuild kit
• Includes piston, rings, pin and clips
• Includes top end bearing
• Includes full top-end gasket kit
• Supplied with head gasket, base gasket, intake gaskets and exhaust gasket
• Suitable for rebuilds using Nikasil-plated cylinders or iron liners
• Rings are not compatible with original chrome-plated Honda cylinders on 1979 CR125 and 1978-1980 CR250 models
• Kit pricing is 10% lower than purchasing the included items individually
• Additional size options are available

Specifications

• VintCo Part Number: KTH08-0.5
• Nominal piston size: 70.5 mm
• Oversize: +0.5 mm
• Piston size: 70.44 mm
• Piston clearance: 0.06 mm
• Piston type: Forged
• Piston coating: MoS2
• Country of manufacture: Germany

Cross-Reference OEM Part Numbers

• Head gasket: 12254-430-000
• Base gasket: 12191-430-306
• Intake gasket: 14132-KAE-000
• Intake gasket: 14133-430-306
• Exhaust gasket: 18291-430-306
• Wrist pin bearing: 91015-357-003

Vehicle Fitments

• 1978 Honda CR250
• 1979 Honda CR250
• 1980 Honda CR250