PAC Racing Springs PAC-S142-16 Valve Spring Locators for GM 604 Crate Engine

PAC Racing Springs PAC-S142-16 valve spring locators are designed for use with GM 604 crate engine applications. These inside-style valve spring locators help position the valve springs while providing a precise interface between the spring and cylinder head.

Each locator is manufactured from chromoly and features a 0.040-inch thickness, 1.245-inch outside diameter, and 0.565-inch inside diameter. The design accommodates a 0.837-inch spring inside diameter, providing the specified fit for compatible valve spring assemblies.

This set includes 16 valve spring locators, making it suitable for a complete engine application requiring sixteen matching pieces. Verify the listed measurements and application details against your engine and valve train requirements before installation.

Features:

• Application: Designed for GM 604 crate engine use
• Style: Inside valve spring locator
• Material: Chromoly construction
• Thickness: 0.040 inch
• Outside Diameter: 1.245 inches
• Inside Diameter: 0.565 inch
• Spring Inside Diameter: 0.837 inch
• Quantity: Set of 16