PAC Racing Springs PAC-R650-16 600 Series Mini 8-Degree Valve Spring Retainers, Steel, Set of 16

Upgrade valve train performance and maintain reliable spring alignment with PAC Racing Springs PAC-R650-16 valve spring retainers. Designed for 600 Series applications, these Mini 8-degree retainers provide a secure interface between the valve springs and valve locks while supporting consistent operation in demanding performance engines. The retainers are manufactured from durable steel and supplied in a natural finish for dependable service and compatibility with a range of racing and high-performance valve train assemblies.
The PAC-R650-16 retainers feature stepped outer diameters of 0.940 inch and 0.685 inch, along with compatibility for 1.250-inch dual valve springs. Their Mini 8-degree design is intended for matching 8-degree valve locks, helping maintain proper component engagement and spring positioning during engine operation. Careful component matching is essential, so verify valve lock angle, spring size, installed height, and valve train clearances before installation.
This set includes 16 PAC Racing Springs valve spring retainers, making it suitable for a complete V8 valve train application or for use as replacement components during engine assembly and service. The PAC-R650-16 is a practical choice for builders seeking durable steel retainers from a recognized performance valve spring manufacturer. Use these retainers only with compatible springs, locks, valves, and related hardware according to the engine builder’s specifications.

Features:

• Brand: PAC Racing Springs

• Part Number: PAC-R650-16

• Series: 600 Series

• Retainer Type: Mini 8-degree valve spring retainer

• Material: Steel

• Finish: Natural

• Spring Compatibility: 1.250-inch dual valve springs

• Stepped Outer Diameters: 0.940 inch and 0.685 inch

• Quantity: Set of 16