JE Pistons 284687 High Compression Piston Kit 12.5:1 Stock 62mm Bore

The JE Pistons 284687 is a complete high-compression forged piston kit designed for performance motorcycle engines. This precision-engineered kit features a 12.5:1 compression ratio and stock 62mm bore size, delivering enhanced power output while maintaining reliability in demanding applications.

Key Features:

• Forged from premium 2618 T6 high-tensile aluminum alloy for superior strength and durability
• 12.5:1 compression ratio for increased power and performance
• Stock 62mm bore size with 249cc displacement
• Lightweight design at just 136 grams per piston
• Round skirt style for optimal cylinder wall contact
• Dome features smooth flowing radii requiring no deburring or preparation
• Engineered, forged, and machined 100% in the USA
• Compatible with piston ring part number XA6200
• Compatible with wrist pin part number 630-050-MW

Complete Kit Includes:

• Precision-machined forged pistons
• Pre-fit wrist pins
• Wrist pin locks (circlips)
• JE Pro Seal premium piston rings

JE Pistons has over 75 years of experience manufacturing forged racing pistons for professional competition and high-performance applications. Each piston is CNC-machined to exacting tolerances measured in millionths of an inch, ensuring consistent quality and performance. Ideal for street performance builds, racing applications, and engine rebuilds requiring enhanced compression and durability.