Technical Specifications:
- Free Length: 1.693 inches
- Seat Height: 1.375 inches @ 75 lbs
- Open Height: 0.950 inches @ 175 lbs
- Coil Bind Height: 0.850 inches
- Spring Seat: OEM Compatible
- Net Cam Lift: 0.475 inches / 12.06 mm

Introducing the Brian Cower valve springs, engineered specifically for high-performance applications in the automotive tuning world. Designed to cater to the needs of serious car enthusiasts, these valve springs are perfect for the Mitsubishi 4B11 Evo X, ensuring that your engine can handle the demands of increased power and torque without compromising reliability.

At RaceStage.eu, we understand that performance is paramount. That’s why our valve springs are crafted to excel at high rotational speeds, making them an essential upgrade for any sport compact enthusiast looking to push their vehicle to the limits. Each kit comes complete with a titanium retainer, providing not only strength but also a significant reduction in weight, which is crucial for optimal engine performance.

The Brian Cower stroker sets are meticulously designed to integrate seamlessly with popular Sport Compact applications, ensuring that every component works in harmony. This complete package is tailored to enhance your engine's capabilities, delivering a noticeable increase in both power and torque while maintaining exceptional reliability under demanding conditions.

Whether you're hitting the track or navigating the streets, these valve springs will provide the performance edge you need. With a free length of 1.693 inches and a robust design that supports high RPMs, you can trust that your engine will perform at its best, even under the most challenging circumstances.

Upgrade your engine with confidence, knowing that the Brian Cower valve springs are built to withstand the rigors of high-performance driving. Experience the difference that quality engineering can make in your vehicle's performance. Choose RaceStage.eu for your performance auto parts needs and take your driving experience to the next level.