GSC P-D Subaru EJ257 w/Dual AVCS S1 Cams 266/264 Billet

The GSC Power Division P-D Subaru EJ257 w/Dual AVCS S1 Camshafts is a high-performance upgrade designed to optimize valve timing and airflow for Subaru EJ257 engines. Featuring billet construction and dual AVCS (Active Valve Control System), these camshafts are engineered to enhance power output, throttle response, and overall engine efficiency. The 266/264 duration specifications indicate a focus on aggressive performance tuning, making them suitable for enthusiasts seeking increased horsepower and torque. Built with precision and durability in mind, these camshafts deliver consistent performance under demanding conditions, ensuring longevity and reliability for high-performance applications.

Designed specifically for Subaru models equipped with the EJ257 engine, these camshafts are compatible with vehicles from 2008 and newer, including WRX and STI variants. They serve as direct bolt-on replacements for stock cams, allowing for straightforward installation without extensive modifications. Ideal for street, track, or racing use, these billet camshafts are intended for performance-oriented builds and tuning projects. The kit includes the camshafts themselves, with no additional components specified, making them suitable for users looking to upgrade their engine’s valvetrain for enhanced performance and responsiveness.