VintCo piston kit PSU02-0.5 is an 83.5mm, +0.5mm oversize replacement for 1977-1980 Husqvarna CR390 and WR390 models. Intended for vintage 2-stroke engines, it includes the piston, rings, pin and clips, and is produced with modern materials and manufacturing methods for OEM-equivalent fitment and performance. A wrist pin bearing is available separately.

Features

• Complete piston kit with piston, rings, pin and clips
• Suitable for vintage 2-stroke engine rebuilds and replacement work
• OEM-equivalent fitment and performance
• Supports break-in
• Wrist pin bearing sold separately

Specifications

• VintCo Part Number: PSU02-0.5
• Piston diameter: 83.5mm
• Oversize: +0.5mm
• Piston size: 83.42mm
• Clearance: 0.08mm
• Forged piston
• Coating: MoS2
• Made in Germany

Vehicle Fitments

• 1977 Husqvarna WR390
• 1977 Husqvarna CR390
• 1978 Husqvarna WR390
• 1978 Husqvarna CR390
• 1979 Husqvarna WR390
• 1979 Husqvarna CR390
• 1980 Husqvarna WR390
• 1980 Husqvarna CR390