JE Pistons Subaru STI EJ257 Forged Piston Kit - 99.75mm Bore, 9.5:1 CR

Enhance the power and durability of your Subaru STI EJ257 engine with this high-performance forged piston kit from JE Pistons. Expertly crafted in the USA from premium 2618 aluminum, these pistons are engineered to meet the demands of aggressive performance builds and competitive racing environments.

Key Features for Maximum Performance:

• Superior Strength: Constructed using 2618 aluminum, providing exceptional tensile strength and resistance to deformation under extreme pressure and heat.
• Engineered for EJ257: Precisely designed for the Subaru STI EJ257 engine, offering a 99.75mm bore and a 9.5:1 compression ratio for optimized power delivery and efficiency.
• Reduced Friction & Weight: Incorporates JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction between the piston skirt and cylinder wall, reducing power loss. A shorter wrist pin also contributes to a lighter overall piston weight.
• Wear Protection: Features a durable skirt coating (application dependent) that reduces friction and wear, extending the life of both the pistons and cylinder walls while also promoting quieter operation.
• Improved Ring Seal: Includes an accumulator groove (application dependent) to effectively manage combustion gas pressure, preventing ring flutter and ensuring a consistent, reliable seal for maximum power.
• Complete Kit: Supplied with high-quality wrist pins, locks, and JE Pro Seal premium piston rings, ensuring a perfect fit and optimal performance from the start.
• Made in the USA: Manufactured to the highest standards in the United States, ensuring unparalleled quality and reliability.

For Subaru STI enthusiasts looking to build a formidable engine, this JE Pistons kit offers the strength, precision, and performance needed to excel. Elevate your build with components trusted by professionals. Purchase this essential upgrade from GGCRACING today.