COMP Cams 4771-100 Valve Spring Locator Set - 1.550" OD .570" ID .060" Thick (100pc)

The COMP Cams valve spring locator set provides a hardened steel alloy solution for high-performance racing engines that demand extreme spring pressures and high RPM operation. These precision-engineered seats protect both the cylinder head and valve spring shim while securely locating and holding the spring in place during aggressive engine operation.

Key Features:

• Hardened steel alloy construction withstands extreme spring pressures
• Inside diameter (I.D.) locator design with shoulder on the inside of the part
• Eliminates extensive cylinder head machining required by older cup-style locators
• Prevents spring walk and maintains precise valve train geometry
• Superior durability compared to standard shims in racing applications
• 1.550" outer diameter, .570" inner diameter, .060" thickness
• Set includes 100 pieces for multi-cylinder builds

This I.D. locator represents a significant improvement over traditional outside diameter cup-style locators, which required extensive head machining to accommodate the retaining portion on the outer edge. The internal shoulder design allows installation without major cylinder head modifications while delivering the same protective and locating benefits essential for high-performance valve train stability.