Wiseco Pistons 4286M08450 Performance Piston 84.50mm for Honda XR350R 1983-1984

The Wiseco 4286M08450 is a high-performance replacement piston designed specifically for the Honda XR350R (1983-1984). This 84.50mm bore piston represents a 0.50mm oversize, making it ideal for engine rebuilds where the cylinder has been bored to restore proper compression and performance.

Complete Piston Kit Includes:

• High-strength forged aluminum piston with 84.50mm bore diameter
• Premium piston ring set engineered for optimal seal and durability
• Wrist pin and circlips for complete installation
• Wiseco's proprietary forging process for superior strength-to-weight ratio

Key Features:

• 0.50mm oversize (84.50mm) for rebored cylinders
• Computer-controlled CNC machining for precise tolerances
• Advanced skirt profile reduces friction and engine noise
• Optimized ring groove design for improved ring seal and oil control
• Designed and manufactured in the USA to OEM specifications

Wiseco is the industry leader in high-performance pistons for powersports applications. Their four-stroke pistons are engineered to deliver maximum durability and performance in demanding off-road conditions. Note that only genuine Wiseco replacement ring sets should be used when servicing this piston to maintain proper specifications and warranty coverage.