Skip to main content
We offer free shipping on orders over €500 within Europe!

CP 5100 Series Chamfered Single Wrist Pin for Subaru EJ257 WRX STI

The CP 5100 Series Chamfered Single Wrist Pin is engineered for high-performance applications, specifically designed for use with the SC7421 piston in Subaru EJ257 WRX STI engines. Crafted from premium 5100 Chrome Moly Steel, this wrist pin offers exceptional strength and durability for demanding motorsport and tuning environments.

  • Dimensions: 0.905" diameter x 2.50" length x 0.180" wall thickness
  • Material: High-strength 5100 Chrome Moly Steel
  • Chamfered design for precise fitment and reduced stress concentrations
  • Case hardened with a 1 micron surface finish for enhanced wear resistance
  • Gun drilled internal diameter and precision ground for optimal performance
  • Compatible for use with SC7421 pistons in Subaru EJ257 WRX STI engines

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.
Contact
CP Pistons
1902 McGaw Ave
92705 Irvine
USA

https://www.cp-carrillo.com/
Responsible person
Streetstylez Ltd. & Co. KG
Heinrich-Lorenz-Str. 2-4
09120 Chemnitz
Germany

info@streetstylez.eu
www.streetstylez.eu
Reviews for “CP 5100 Series Chamfered Single Wrist Pin for Subaru EJ257 WRX STI”

Average rating of 0 out of 5 stars