PAC Racing Springs PAC-R333-16 300 Series Chromoly Valve Spring Retainers, 7-Degree, 0.640-Inch Step, Set of 16

PAC Racing Springs PAC-R333-16 valve spring retainers are designed for performance valvetrain applications that require dependable spring retention and precise component fitment. Manufactured from chromoly steel, these retainers provide a durable solution for engines using beehive valve springs and compatible 7-degree locking systems. The 300 Series design supports consistent valvetrain operation under demanding conditions.
The retainers feature a 0.640-inch outside-diameter step configured for use with compatible beehive valve springs. Their stepped profile helps maintain proper spring positioning while supporting accurate alignment between the valve spring, retainer, and valve lock. This set includes 16 retainers, making it suitable for completing a typical V8 valvetrain installation or servicing an existing engine build.
Designed for builders, engine professionals, and performance enthusiasts, PAC Racing Springs retainers are engineered to complement high-performance valvetrain components. Before installation, verify compatibility with the valve stem, spring dimensions, spring seat arrangement, installed height, and locking system specified for your application. The PAC-R333-16 set provides a practical, durable choice for performance engines requiring chromoly retainers for 7-degree beehive valve springs.

Features:

• Brand: PAC Racing Springs

• Part Number: PAC-R333-16

• Product Type: Valve spring retainer set

• Series: 300 Series

• Material: Chromoly steel

• Retainer Style: Stepped design for beehive valve springs

• Lock Angle: 7 degrees

• Step Outside Diameter: 0.640 inches

• Quantity: 16 retainers

• Application: Performance valvetrain systems