HKS Upgraded Timing Belt | 02-08 WRX / 04-08 STI | EJ20/EJ25

Overview

HKS high-strength upgraded timing belt for the 2002–2008 Subaru WRX and 2004–2008 STI (EJ20/EJ25). Engineered to resist stretching and breaking under high-torque conditions, with belt strength optimized for each engine application.

Features

• Fitment: 2002–2008 Subaru WRX / 2004–2008 STI (EJ20/EJ25)
• Optimized belt strength for stable tension under heat expansion
• Mould-formed tooth profile — no external pressure applied, preserving tooth strength and reducing belt skip at high torque
• Teeth rubber made from H-NBR grade rubber for additional strength
• Compatible with HKS balancer belt for 4G63 (sold separately) to reduce load on engine and chassis

Installation Notes

• Professional installation recommended
• Verify fitment with your specific engine code before ordering