JE Pistons 284681 FSR Pro Series Piston Kit Bore Compression - 94mm 13.8 1

The JE Pistons 284681 is a high-performance FSR Pro Series piston kit designed for powersports applications demanding maximum durability and performance. This complete piston kit features a standard bore of 94.00mm with a 13.8:1 compression ratio, making it ideal for high-compression builds in ATVs, motorcycles, and other powersports engines.

Key Features:

• FSR (Forged Side Relief) Pro Series design with asymmetrical forging for optimal strength-to-weight ratio
• Standard bore size: 94.00mm
• Compression ratio: 13.8:1
• 3-ring piston configuration for superior sealing and durability
• Constructed from 2618 aluminum alloy for extreme temperature and pressure resistance
• Internal and external bracing for enhanced structural integrity
• Dedicated embossed forgings for weight reduction without sacrificing strength
• Includes piston, rings, wrist pin, and circlips

JE Pistons Pro Series components are engineered for professional-level competition and extreme riding conditions. The 2618 alloy construction provides superior tensile strength necessary for high compression ratios and demanding performance applications. Each piston features CNC-machined precision and smooth dome geometry for optimal flame travel and combustion efficiency.