PAC Racing Springs PAC-R649-16 600 Series Valve Spring Retainers for 1.200-Inch Dual Springs, 8-Degree, Set of 16

PAC Racing Springs PAC-R649-16 valve spring retainers are engineered for high-performance valvetrain applications using 1.200-inch dual valve springs. These 600 Series retainers feature an 8-degree design and a 0.775-inch outside diameter step to provide accurate spring positioning and reliable component alignment. Manufactured from durable steel, they are built to support demanding engine environments and consistent valvetrain operation.
Designed as a direct solution for compatible PAC Racing Springs dual-spring setups, these retainers help maintain proper spring placement while supporting dependable performance at elevated engine speeds. The precision-focused construction makes them suitable for racing, performance street, and other applications where valvetrain stability and durability are important.
This PAC Racing Springs set includes 16 valve spring retainers, making it convenient for a complete engine build or replacement of multiple valvetrain components. Verify spring, retainer, and valve-lock compatibility before installation to ensure the correct fit and operating geometry. The PAC-R649-16 is supplied as a set and is intended for use with compatible 1.200-inch dual valve spring assemblies.

Features:

• Brand: PAC Racing Springs

• Part Number: PAC-R649-16

• Series: 600 Series

• Application: Designed for 1.200-inch dual valve springs

• Retainer Angle: 8-degree design

• Step Outside Diameter: 0.775 inches

• Material: Durable steel construction

• Quantity: Set of 16 retainers