So, you've got a Mitsubishi EVO X and you're looking to squeeze out every last drop of performance? Let's talk camshafts. The stock camshaft is kind of like a middle-of-the-road guy—it keeps things smooth and fuel-efficient, but when you're chasing that high-performance edge, it just doesn't cut it. That's where a cam upgrade comes into play. Swapping out your camshaft is one of the best ways to transform how your engine feels across the RPM range.

The camshaft is a big deal; it's responsible for how long and how far your intake and exhaust valves open. This means it directly affects how much air your engine can gulp down, which is basically the magic formula for horsepower and torque. With the right camshaft, you can tweak your engine to deliver power where you need it most—whether that's low-end grunt for street driving or high-end scream for track days.

Now, let's get specific. The Tomei camshaft for the 4B11 engine is no joke. These bad boys are CNC machined, which means they fit like a glove and deliver the right valve lift and duration every time. Tomei really put in the legwork with R&D, testing all sorts of combinations before they settled on this design. By the time they launched these cams, the EVO X had been out for a couple of years, so you know they're not just throwing darts in the dark.

What's cool about this camshaft is that it's tailored specifically for the EVO X. The materials are handpicked, and the profile design is crafted just for this engine. So if you're driving an EVO, you can trust that these cams are going to give you the performance boost you're after without compromising reliability.

• Model: Mitsubishi 4B11
• Duration: 27
• Max Cam Lift: 11.00mm
• Max Valve Lift: 10.70mm
• Base Circle: 36
• Valve Timing Centerline: 120

If you're ready to dive in, you can find the installation instructions right here.

Fitment:

• Mitsubishi EVO X 2008-2016

So, if you've got a Mitsubishi Evolution X from 2008 to 2015, the Tomei 280 11.0mm 4B11 Exhaust Camshaft is a solid choice. Get ready to feel the difference!