Manley 42148-8 Valve Spring Locators - .150" Thick, 1.270" O.D., .520" I.D.

Manley 42148-8 valve spring locators are precision-engineered components designed to protect expensive aluminum cylinder heads from being galled by high-pressure valve springs. These inside diameter (I.D.) style locators feature an inner step that accurately locates and centers the valve spring, preventing spring wear into the head and eliminating the need for excessive machining required by cup-style locators.

Key Specifications:

• Locator Thickness: .150 inches
• Locator Inside Diameter: .520 inches
• Locator Outside Diameter: 1.270 inches
• For valve springs with 1.290 inch inside diameter
• CNC machined from heat-treated steel
• Black oxide finish for corrosion resistance

These valve spring locators are manufactured to exacting tolerances using CNC machining processes and heat-treated steel construction. The black oxide finish provides excellent corrosion resistance while maintaining precise fitment. Essential components for high-performance valvetrain assemblies, these locators ensure consistent valve spring positioning and protect against cylinder head damage in demanding racing and performance applications.