JE Pistons Subaru STI EJ257 Forged Piston Kit - 99.5mm Bore, 9.5:1 CR

Maximize the performance and resilience of your Subaru STI EJ257 engine with this precision-engineered forged piston kit from JE Pistons. Manufactured in the USA using high-grade 2618 aluminum, these pistons are designed to withstand the extreme stresses of high-performance tuning and racing applications.

Performance-Driven Features:

• Extreme Strength: Forged from 2618 aluminum alloy, offering exceptional tensile strength and durability required for boosted and high-RPM operation.
• Custom Fitment: Specifically designed for the Subaru STI EJ257 engine, ensuring perfect compatibility and optimal performance characteristics with a 9.5:1 compression ratio.
• Friction Reduction: Features JE Pistons' advanced Forged Side Relief (FSR) technology, reducing skirt-to-cylinder wall friction and minimizing power loss. The design also incorporates a shorter wrist pin for weight reduction.
• Enhanced Longevity: Includes an optional skirt coating (application dependent) that significantly reduces friction and wear on piston skirts and cylinder walls, while also contributing to a quieter engine.
• Optimized Sealing: Equipped with an accumulator groove (application dependent) to manage combustion pressure, prevent ring flutter, and ensure superior ring seal for consistent power output.
• Complete Assembly: This kit includes premium wrist pins, locks, and JE Pro Seal piston rings, providing everything needed for a professional installation.
• USA Manufacturing: Proudly produced in the United States, guaranteeing the highest standards of quality and reliability.

For Subaru STI owners seeking to build a powerful and reliable engine, this JE Pistons kit is an essential component. Achieve higher horsepower, improved engine response, and lasting durability. Get your JE Pistons EJ257 kit today at GGCRACING.