SKU: PACPAC-R355-16
UPC: 193564538253
MPN: PAC-R355-16
The PAC Racing Springs 1.280 Steel C/M Valve Spring Retainers with 7-degree geometry are precision-engineered components designed for serious engine builders and performance mechanics who demand reliability in high-RPM applications. These retainers are essential upgrades when working with aftermarket valve springs and roller rockers, ensuring consistent valve control under extreme load conditions.
Manufactured from hardened Chrome Molybdenum steel, the 1.280-inch OD design provides a superior strength-to-weight ratio compared to cast-iron alternatives, reducing valve train inertia while maintaining structural integrity. The 7-degree seat angle is optimized for compatibility with standard valve spring geometry and seats precisely on most aftermarket and OEM valve spring assemblies.
Experienced engine builders and weekend warriors benefit most from these retainers, especially in builds that require enhanced durability and performance. Their design is suitable for both naturally aspirated and forced-induction applications, making them a versatile choice for various engine configurations.
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