If you're looking to really wake up your Subaru's engine, upgrading the camshaft is a game changer. Factory camshafts tend to prioritize smooth idling and fuel efficiency, which is great for daily driving but not exactly thrilling when you're after performance. That's where this Tomei camshaft comes into play. It's like giving your engine a shot of espresso—suddenly, it's alive and ready to roar.

This camshaft is designed to optimize airflow, which is the key to cranking up both horsepower and torque. By increasing the duration and lift of the intake and exhaust valves, along with their overlap, you're letting your engine breathe better at every RPM. Whether you're hitting the track or just want a more exciting drive on the street, picking the right camshaft can make all the difference in how your engine performs.

What I really appreciate about Tomei is their commitment to quality. Each camshaft goes through a rigorous research and development process, ensuring it delivers not only power but also reliability. These bad boys are CNC machined for a precise fit, so you know you're getting the right valve lift and duration every time.

Features:

• Special Material for enhanced durability
• Efficient design for better performance
• Pre-set Valve Timing to simplify installation
• Compatible with OEM Valve springs, making upgrades easier
• Delivers the best overall performance
• Stable idling, so you won't be fighting your engine
• Well-balanced for a smooth driving experience

Specifications:

• Model: Subaru EJ25 Dual AVCS
• Intake Specifications:
  • Duration: 260
  • Max Cam Lift: 9.80mm
  • Max Valve Lift: 9.60mm
  • Base Circle: 37
  • Valve Timing Centerline: 131
• Exhaust Specifications:
  • Duration: 256
  • Max Cam Lift: 10.80mm
  • Max Valve Lift: 10.40mm
  • Base Circle: 37
  • Valve Timing Centerline: 130

Install Instructions:

• For detailed installation instructions, CLICK HERE.

Fitment:

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

In short, if you're ready to take your Subaru STI or WRX from good to great, this Tomei camshaft set (TA301A-SB02C) is definitely worth considering. With specs like 9.80mm lift for intake and 10.80mm for exhaust, you'll feel the difference in how your engine responds. Trust me, once you make the switch, you won't look back.