JE Pistons 284667S FSR Pro Series Piston Kit Bore Compression - 96mm 13.5 1

The JE Pistons 284667S FSR Pro Series Piston Kit is engineered for demanding high-performance powersports applications. This complete piston kit features a standard 96mm bore with 13.5:1 compression ratio, designed to deliver the durability and performance required by professional race teams and weekend riders alike.

Key Features:

• Forged from 2618-T6 high tensile aluminum for exceptional strength in high-demand applications
• Proprietary Forged Side Relief (FSR) forging design minimizes friction and reduces weight
• Internal and external strut bracing reduces stress on critical areas
• Purpose-built forging design optimized for weight reduction without sacrificing durability
• Improved ring groove flatness for superior ring seal during operation
• Smooth flowing dome/dish radii require no deburring or preparation
• Complete kit includes piston, rings, wrist pin, and circlips
• Machined and forged 100% in the USA

JE Pistons Pro Series kits are trusted by top engine builders including Pro Circuit and JGRMX, offering professional-grade performance with the reliability needed for high-performance builds. This kit is compatible with applications requiring 96mm bore and can serve as a direct replacement for Wiseco and Namura Technologies pistons.