Instant Buy GSC Power-Division S1 Billet Camshaft Set 2008-2021 STI

Description

Upgrade your 2008-2021 Subaru WRX STI with the GSC Power-Division S1 Billet Camshaft Set, engineered to boost engine performance and throttle response. This premium camshaft set is designed specifically for the EJ257B engine featuring Dual AVCS, delivering enhanced power and responsiveness for both stock frame turbos and builds up to 500 WHP with GT35R upgrades.

Crafted from billet material, these camshafts offer durability and precision. They require upgraded valve springs—beehive springs recommended but not mandatory—and slight filing of the head castings for proper clearance due to the larger lobe size. Each camshaft has distinct nose lengths for correct left and right side placement, ensuring perfect fitment. Detailed installation instructions are included to guide you through the process.

Ideal for Subaru enthusiasts seeking reliable, high-quality performance upgrades, this camshaft set balances power gains with long-term durability. Trust Subimods for specialized Subaru parts and elevate your STI’s engine performance today. Shop now to experience improved power delivery and enhanced driving dynamics.