JE Pistons 291059 Forged Piston Kit for Subaru STI EJ257/EJ20 Engines

Elevate your Subaru STI's performance with the JE Pistons 291059 Forged Piston Kit. Specifically designed for the EJ257 block with an EJ20 head configuration, this kit features a 99.5mm bore and an 8.5:1 compression ratio, perfect for high-output builds. Crafted in the USA from premium 2618 aluminum, these pistons are engineered to withstand the extreme demands of racing and performance tuning.

Uncompromising Performance & Durability:

• High-Strength Construction: Made in the USA using 2618 aluminum for superior tensile strength, crucial for high-boost and high-RPM applications.
• Optimized Bore Size: Precision 99.5mm bore ensures a perfect fit for EJ257 blocks, accommodating the EJ20 head configuration.
• Ideal Compression Ratio: The 8.5:1 compression ratio is well-suited for forced induction setups, allowing for significant boost pressure while maintaining engine integrity.
• Reduced Friction & Weight: Features JE Pistons' exclusive Forged Side Relief (FSR) design, minimizing friction and power loss, and reducing overall weight with a shorter wrist pin.
• Enhanced Longevity: Skirt coatings (application dependent) help reduce friction and wear on piston skirts and cylinder walls, contributing to extended engine life and quieter operation.
• Improved Sealing: An accumulator groove (application dependent) aids in reducing combustion gas pressure, preventing ring flutter and ensuring a consistent, reliable ring seal.
• Complete Engine Solution: Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a complete and hassle-free installation.

The JE Pistons 291059 kit is the ultimate choice for Subaru STI owners looking to build a powerful and reliable engine for track use or extreme street performance. Trust in JE Pistons' decades of expertise for your high-performance build. Find this exceptional piston kit and more at GGCRACING.