You know, when you first get your car, the factory camshaft is all about that smooth idle and decent fuel economy. But let's be real—if you're into high performance or racing, those aren't exactly your top priorities. That's where upgrading your camshaft comes into play. It's honestly one of the best ways to transform how your engine performs across the RPM range.

This camshaft isn't just a simple bolt-on; it's engineered to enhance your engine's airflow, which is pretty much the secret sauce for boosting horsepower and torque. By tweaking how long the valves stay open, how far they open, and their overlap, you can really dial in the power band to match your driving style. Whether you're hitting the track or just want a little more oomph on the streets, choosing the right camshaft is key.

Take the Tomei camshaft for example—these things go through some serious R&D to ensure you're getting both power and reliability. Each one is CNC machined, so you know it'll fit just right and deliver the proper valve lift and duration. No guesswork here.

Specifications:

• Model: Subaru EJ25 Dual AVCS
• Duration: 256
• Max Cam Lift: 10.80mm
• Max Valve Lift: 10.40mm
• Base Circle: 37
• Valve Timing Centerline: 130

Installation:

• Need help? Check out the install instructions here.

Fitment:

• Subaru WRX 2008-2021
• Subaru WRX STI 2008-2021

So if you're looking to really wake up your Subaru, the Tomei 256 10.8mm Exhaust Camshaft is a solid choice. It's compatible with both the WRX and STI models from 2008 to 2021, and trust me, you'll feel the difference once it's installed.