Comp Cams 600-16 Valve Spring Locks – 7.3 Powerstroke (1994–2003)

Protect your 7.3 Powerstroke from valve spring failure with genuine Comp Cams 600-16 hardened steel street locks. These 7° single-groove valve locks are the trusted stock-replacement solution for street and moderate-performance applications.

Key Features

• Hardened steel construction for superior wear resistance
• Precision 7° lock angle for a secure hold under high spring pressure and heat
• Single-groove design
• Sized for 5/16" valve stems
• Complete set of 16 pairs (32 locks total) — enough for the entire engine

Why You Need Them

Stock valve locks can lose their grip over time, especially when running higher boost, upgraded springs, or higher RPM. Comp Cams 600-16 locks provide a more reliable interface between the valve stem and retainer, helping prevent dropped valves and expensive engine damage.

Specs

• Part Number: Comp Cams 600-16
• Material: Stamped & Hardened Steel
• Lock Angle: 7°
• Groove Style: Single Groove
• Valve Stem Diameter: 5/16" (0.310")
• Quantity: Set of 32 (16 pairs)
• Application: 1994–2003 7.3L Powerstroke

Fits: 1994–2003 Ford 7.3 Powerstroke

Ideal for stock rebuilds, mild performance builds, and anyone replacing valve springs on a 7.3 Powerstroke. Pair these with Comp Cams valve springs for a complete, reliable valvetrain upgrade.