PAC Racing Springs PAC-R363-16 300 Series 7-Degree Chromoly Valve Spring Retainers, 0.640-Inch Step OD, Set of 16

PAC Racing Springs PAC-R363-16 valve spring retainers are designed for high-performance valvetrain applications using beehive valve springs. Manufactured from durable chromoly steel, these 300 Series retainers provide reliable spring location and consistent valve train operation under demanding conditions. The 7-degree design and stepped outer diameter are engineered to support compatible PAC Racing Springs components and help maintain proper spring alignment during operation.
This set includes 16 valve spring retainers, making it suitable for complete V8 valvetrain installations or replacement of a matched set. The 0.640-inch step outer diameter accommodates compatible beehive spring applications, while the precision-machined construction promotes dependable fitment and long-term durability. These retainers are intended for performance engine builders, racers, and enthusiasts who require strong, accurately manufactured valvetrain hardware.
Feature: 300 Series chromoly valve spring retainers for high-performance applications. Feature: 7-degree design for compatible PAC Racing Springs valve spring assemblies. Feature: 0.640-inch stepped outer diameter for beehive spring applications. Feature: Set of 16 supports a complete matched valvetrain installation. Feature: Precision steel construction provides strength and reliable spring retention. Feature: Designed for use with compatible components to help maintain proper valve spring alignment.

Features:

• 300 Series chromoly valve spring retainers for high-performance applications

• 7-degree design for compatible PAC Racing Springs valve spring assemblies

• 0.640-inch stepped outer diameter for beehive spring applications

• Set of 16 supports a complete matched valvetrain installation

• Precision steel construction provides strength and reliable spring retention

• Designed for use with compatible components to help maintain proper valve spring alignment