GSC Power Division S1 Camshafts for Subaru WRX STI EJ257 2008-2021, Stock-500WHP

GSC Power Division S1 Camshafts for Subaru WRX STI EJ257B (2008-2021)

Introducing the GSC Power Division S1 Camshafts, meticulously engineered for the discerning Subaru WRX STI owner. With a focus on precision and performance, these camshafts are the epitome of high-end automotive engineering, designed specifically for the EJ257B engine with Dual AVCS. Whether you are operating with a stock turbo or pushing the limits with upgrades up to 500WHP (GT35R), the S1 camshafts promise to elevate your driving experience.

Technical Specifications

• S1 Camshaft Specs:
  • Intake Duration: 266 | Lift: 10.4mm
  • Exhaust Duration: 264 | Lift: 10.1mm
• Profile: Street-oriented for daily usability
• Turbo Spool: Enhanced for quicker response
• Power Range: Optimized for stock to 500WHP applications

Design & Engineering

The GSC S1 camshafts are crafted from high-grade materials, ensuring exceptional durability and performance. Each camshaft is designed to reduce unsprung mass while maintaining strict tolerances, allowing for smoother operation and improved throttle response. The incorporation of advanced engineering methodologies, including CFD modeling and dyno validation, guarantees that these camshafts not only meet but exceed the expectations of performance enthusiasts.

Fitment

• Compatible with Subaru WRX STI EJ257 (2008-2021)
• Also fits various models within the Subaru Impreza and WRX range, enhancing versatility.

Notes

• Upgraded valve springs are required for optimal performance; Beehive valve springs are recommended but not mandatory.
• Images are for marketing purposes only; the actual product may vary.

Customer Insights

Fitted to my 2015 Subaru WRX STI, the GSC S1 camshafts transformed the driving experience. The turbo response is noticeably quicker, and the craftsmanship is impeccable. The lift and duration specs align perfectly with my build, achieving a remarkable balance of power and reliability.

Elevate your Subaru's performance with the GSC Power Division S1 Camshafts, where engineering excellence meets exclusivity.

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