Technical Specifications:
- Free Length: 1.800 inches
- Seat Pressure: 1.550 inches @ 92 lbs
- Open Pressure: 1.100 inches @ 235 lbs
- Coil Bind: 0.970 inches
- Net Cam Lift: 0.520 inches / 13.2 mm

Introducing Brian Cower, a brand dedicated to delivering premium engine components without breaking the bank. Our stroker kits are meticulously engineered to fit a wide range of popular Sport Compact applications, ensuring compatibility with matching camshafts and valve camshafts for optimal performance.

Each complete package is designed to work in harmony, enhancing your vehicle's power and torque while boosting reliability. Whether you're on the track or the street, our products are built to withstand the demands of high-performance driving.

Designed for Performance:
Our BC valve springs are specifically crafted for the following models:
- Mitsubishi 4G63 Eclipse / Evo

Engineered for high RPM applications, these valve springs provide the necessary support for aggressive cam profiles, ensuring that your engine performs at its peak. With a focus on durability and efficiency, our springs are the perfect upgrade for any serious tuner looking to maximize their engine's potential.

Why Choose BC Valve Springs?
1. High-Speed Performance: Designed to handle the rigors of high RPMs, ensuring your engine breathes freely and efficiently.
2. Enhanced Reliability: Built to withstand the stresses of performance driving, providing peace of mind on the road or track.
3. Precision Engineering: Each spring is manufactured to exact specifications, guaranteeing a perfect fit and optimal performance.

Price: Price per set.

At RaceStage.eu, we understand the passion for performance. Our commitment to quality and innovation means you can trust our products to deliver real-world driving benefits. Upgrade your engine with Brian Cower valve springs and experience the difference in power and responsiveness.