Manley Performance Subaru FA20 WRX 86.25mm +.25mm Oversize Bore Dish Piston Set with Rings – Model 632702C-4

Description

The Manley Performance 632702C-4 piston set is engineered for high-performance Subaru FA20 WRX engines, featuring an 86.25mm bore size with a +.25mm oversize for optimal fit and power. Constructed from premium 2618 alloy forgings, these pistons deliver exceptional strength, durability, and resistance to extreme conditions, making them ideal for professional engine builders and serious tuners. The pistons incorporate proven cam and barrel skirt profiles that maximize power output while minimizing wear on cylinder walls, ensuring reliable performance during demanding driving conditions.

Each piston is equipped with chrome moly wrist pins as standard, providing enhanced strength and durability. For specialized applications, optional wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys are available, offering additional wear resistance. The precise ring lands and grooves adhere to strict manufacturing standards, ensuring an excellent seal and increased power output. Unique fixturing techniques used during manufacturing allow for combined skirt turning and ring groove machining in a single process, resulting in superior ring groove to skirt squareness and overall piston integrity.

Designed with a 10:1 compression ratio, these pistons are optimized for performance and efficiency. They are compatible with high-performance modifications and are ideal for turbocharged or naturally aspirated setups. The set includes high-quality piston rings tailored to match the piston’s specifications, ensuring a secure seal and smooth operation. As a prop 65 compliant product, they meet safety standards for chemical exposure. Please note that these pistons are not carb approved and require acknowledgment of this condition prior to installation.

Whether you’re building a race engine or enhancing your daily driver, the Manley Performance Subaru FA20 WRX piston set offers the combination of strength, precision, and performance needed to achieve your automotive goals. Invest in proven quality and trusted performance with Manley’s signature Platinum Series pistons, designed to meet the demands of professional and enthusiast builders alike.

Features:

• 2618 alloy forgings for superior strength and durability

• Chrome moly wrist pins as standard, with optional upgrades to 9310 and Turbo Tuff/DLC alloys

• Precise ring lands and grooves for enhanced sealing and power output

• Cam and barrel skirt profiles designed for optimal power and minimal wear

• Unique fixturing enabling combined skirt turning and ring groove machining for perfect ring to skirt squareness