JE Pistons Pistons Kit

2005–2010 Scion tC 2.4L 2AZ-FE 4-Cylinder

310320

Overview:

The JE Pistons Pistons Kit is a premium forged piston set designed specifically for the 2005 to 2010 Scion tC equipped with the 2AZ-FE 2.4L 4-cylinder engine. With over 75 years of expertise in forged racing pistons, JE Pistons delivers a product engineered to enhance engine durability and performance for both street and motorsport applications. Whether you are building a high-performance daily driver or a dedicated race engine, this piston kit offers the reliability and strength needed to withstand demanding conditions.

Each piston is precision forged and machined in the USA, ensuring tight tolerances and consistent quality. This kit is ideal for enthusiasts seeking to upgrade their engine internals with components that provide improved power potential and long-lasting durability.

Key Features:

This piston kit incorporates advanced design and manufacturing technologies to optimize engine performance and reliability:

• Proprietary Forged Side Relief (FSR) design reduces friction and power loss by minimizing skirt width and shortening the wrist pin length, resulting in weight savings and improved efficiency.
• Accumulator groove (application dependent) reduces combustion gas pressure behind the piston rings, which decreases ring flutter and enhances ring seal for consistent power delivery.
• Skirt coating (application dependent) lowers friction and wear on piston skirts and cylinder walls while also reducing operating noise for smoother engine operation.
• Forged from high-strength 2618 aluminum alloy in the USA, providing excellent tensile strength to handle high-performance and high-stress environments.
• Specifically engineered for the 2AZ-FE engine with a 3.504-inch bore and a 9.0:1 compression ratio, featuring a dome piston shape optimized for combustion efficiency.
• Includes premium JE Pro Seal piston rings, high-quality wrist pins, and locks to ensure a complete, ready-to-install piston assembly.
• Made 100% in the USA, guaranteeing strict quality control and manufacturing standards.

Construction & Design:

JE Pistons utilizes a fully forged manufacturing process, starting with 2618 aluminum alloy known for its superior strength and fatigue resistance compared to cast pistons. The Forged Side Relief (FSR) design reduces piston skirt contact area to minimize friction without sacrificing stability, improving overall engine efficiency. The accumulator groove helps manage combustion pressures to maintain ring seal integrity, which is critical for consistent power and reduced oil consumption.

Additionally, the optional skirt coating reduces wear and noise, extending engine life and enhancing refinement. Each piston is CNC machined to exact specifications, ensuring perfect fitment and balance within the engine.

Installation & Fitment:

This piston kit is designed as a direct fit replacement for the 2005–2010 Scion tC with the 2AZ-FE engine. It is intended for engine rebuilds or performance upgrades where forged pistons are required to handle increased power or boost levels.

Installation requires standard engine assembly procedures and proper machining of the cylinder bore to the specified 3.504-inch diameter. No modifications to the engine block or other components are necessary beyond standard rebuild practices.

What's Included:

• Set of 4 forged pistons with dome design and 9.0:1 compression ratio
• High-quality wrist pins and locks
• JE Pro Seal premium piston rings

Ideal For:

• Performance enthusiasts upgrading the Scion tC 2AZ-FE engine for increased power and durability
• Engine builders requiring high-strength forged pistons for street, track, or drag applications
• Rebuilds where improved piston technology and materials are desired for longevity and reliability
• Motorsport applications including drifting, drag racing, and road racing where piston strength is critical

JE Pistons is a cornerstone name in forged pistons for high-performance and motorsports engines across domestic, sport compact, European, and powersports platforms. Their forged piston kits are engineered for strength and reliability in high-RPM, high-boost, and high-compression builds where factory internals won’t survive long.