CP Ring ONLY for SC7420 Pistons

Manufacturer: CP Pistons

Article no.: RS1658-3917-0

€35.70*

Available at US supplier, delivery time: 7-10 working days (EU +3)

CP Ring ONLY for SC7420 Pistons

This high-performance piston ring is designed exclusively for CP Pistons SC7420 forged pistons, engineered for Subaru EJ257 WRX STI engines. Crafted to deliver superior ring seal, reduced blow-by, and enhanced durability, it supports the piston’s ability to maintain peak horsepower and torque throughout its lifespan. Manufactured with precision to fit the 99.5mm bore and 8.2:1 compression ratio pistons, this ring ensures optimal engine performance and reliability under demanding conditions.

Compatible with CP Pistons SC7420 forged pistons
Designed for Subaru EJ257 WRX STI 99.5mm bore engines
High-quality materials for durability and performance
Precision engineered for optimal ring seal and reduced blow-by
Supports high horsepower and torque output

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

CP Pistons manufactures performance pistons for the Sport Compact and Domestic markets. Their manufacturing plant encompasses 32,000 square feet of CNC equipment and a climate controlled inspection department ensuring accurate and consistent quality. All pistons are made in CP’s Irvine based facility from USA made materials and are engineered for maximum power. With over 500 shelf parts available, their wide product range covers the most popular engines. Custom sizes are also available, for both sport compact and domestic vehicles.