CNC Fab 7.3L Powerstroke Stage 2 Valve Spring Kit - 1994-2003 Ford F-Series

CNC Fabrication Beehive Valve Spring Kit – 1994.5–2003 Ford 7.3L Powerstroke

Step up your valvetrain performance with the CNC Fabrication Beehive Spring Kit, designed for high-horsepower 7.3L Powerstroke builds. This kit is a significant upgrade over CNC Fabrication’s Stage 1 valve springs and is recommended for engines making 500+ horsepower, where improved valve control and reliability are critical.

Built to handle increased RPM and aggressive cam profiles, these beehive springs provide superior stability, reduced valvetrain mass, and consistent performance under high load.

🔥 Key Features:

• High-Performance Upgrade – Ideal for 500+ HP 7.3L Powerstroke engines

• Complete Kit – Includes new valve springs, retainers, and keepers

• Improved Valve Control – Beehive design reduces mass and harmonics

• Built for Aggressive Setups – Supports higher lift cams and increased RPM

📏 Spring Specifications:

• Install Height: 1.880"

• Seat Load: 155 lbs @ 1.880"

• Open Height: 1.280"

• Open Load: 377 lbs

• Recommended Max Valve Lift: 0.600"

• Spring Rate: 370 lbs/in

• Coil Bind Height: 1.210"

✅ Fitment:

• 1994.5–2003 Ford 7.3L Powerstroke

Whether you’re building a high-power street truck or a competition-ready setup, the CNC Fabrication Beehive Spring Kit delivers the strength and control your valvetrain needs to keep pulling hard and living long.