COMP Cams 4711-100 Valve Spring Locator Set - 1.550" OD .570" ID .060" Thick (100 Pack)

The COMP Cams 4711-100 ID Spring Locator Set provides a professional solution for high-performance racing engine builds where extreme spring pressures and high RPM operation demand superior durability. This set includes 100 hardened steel alloy valve spring seats designed to protect cylinder heads while precisely locating and securing valve springs in place.

Key Features:

• Hardened steel alloy construction withstands extreme spring pressures and high RPM conditions
• ID (inside diameter) locator design with locating shoulder on the inside
• Eliminates extensive head machining required by traditional cup-style locators
• Protects cylinder head and shimming components from wear and damage
• Precise spring positioning prevents spring walk and misalignment

Specifications:

• Outside Diameter (OD): 1.550 inches
• Inside Diameter (ID): 0.570 inches
• Thickness: 0.060 inches
• Quantity: 100 pieces per set

Unlike older standard shims that fail under racing conditions, these ID locators offer a thin profile with superior strength. The inside diameter locating design allows installation without the extensive cylinder head machining that traditional outside diameter cup-style locators require, making them ideal for performance engine builds and racing applications.