CP Pistons SC7221-4 Forged Pistons for 2008-2015 Mitsubishi Lancer Evolution X

Vehicle Fitment

• 2008-2015 Mitsubishi Lancer Evolution X (4B11T, DOHC, 16v, Turbocharged, I4)

Fitment Notes

• Compatible with 4B11T turbocharged engine
• Not CARB legal; not for sale in California

Features

• Forged 2618 aluminum construction for enhanced strength and durability
• Precision CNC-machined for optimal balance and fitment
• Includes wrist pins, locks, and rings for a complete installation
• Balanced to ±1 gram for consistent performance
• Accumulator grooves and dual forced pin oilers for improved lubrication
• Pick lock grooves to prevent pin rotation
• Designed for high-performance applications including turbocharged setups
• Made in the USA with strict quality control standards

Specifications

• Bore: 86.5mm
• Compression Ratio: 9.0:1
• Compression Height: 33.3502mm
• Wrist Pin Diameter: 23mm
• Piston Weight: 326g
• Rod Length: 143.75mm
• Stroke: 86mm
• Top Ring Thickness: 1.0mm
• Second Ring Thickness: 1.2mm
• Oil Ring Thickness: 2.8mm
• Pin Fitting: Included at no additional cost

Included Components

• 1x Set of 4 Forged Pistons
• 1x Set of Piston Rings
• 1x Set of Wrist Pins
• 1x Set of Piston Locks

Product Description

The CP Pistons SC7221-4 is a high-performance piston and ring set designed specifically for the 2008-2015 Mitsubishi Lancer Evolution X models equipped with the 4B11T turbocharged engine. With an 86.5mm bore and a compression ratio of 9.0:1, these pistons are ideal for high-boost applications seeking increased durability and performance.

Crafted from forged 2618 aluminum, the SC7221-4 pistons offer superior strength and durability, making them suitable for high-revving turbocharged engines. The pistons are precision CNC-machined and balanced to ±1 gram, ensuring consistent performance. Additional features include accumulator grooves, dual forced pin oilers, and pick lock grooves, all contributing to enhanced lubrication and reliability.

This kit includes all necessary components for installation, including pistons, rings, wrist pins, and locks. The pistons are designed to work seamlessly with the 4B11T engine, providing a direct fit and reducing the need for additional modifications.