COMP Cams 4722CPG Valve Spring Seat Cutting Tool Diameter - 1.680

The COMP Cams 4722CPG is a precision valve spring seat cutting tool designed for cylinder head machining during performance engine builds. This professional-grade cutter allows you to machine the cylinder head for the correct diameter valve spring, enabling the installation of larger valve springs and hardened spring seats for high-performance applications.

Key Specifications:

• Spring seat cutter diameter: 1.680 inches outer diameter
• Guide size cut: 0.630 inches inner diameter
• Cutting tip material: Carbide for durability and precision cuts
• Professional-grade construction for accurate machining

Important Notes:

• Arbor/pilot required for operation (sold separately)
• Designed for use with valve spring upgrades
• Enables installation of larger springs and hardened spring seats
• Sold individually

This cutting tool is an essential component for engine builders and performance shops performing cylinder head modifications. The carbide cutting tip ensures clean, precise cuts while the specific dimensions accommodate larger aftermarket valve spring installations.