SKU: PACPAC-R633-16
MPN: PAC-R633-16
The Valve Spring Retainers 7-Deg .0875 Beehive from PAC Racing Springs are designed for high-performance engine builders and enthusiasts who require precise valve train control in modified and racing applications. These retainers are crucial components that interface between valve springs and valve stems, effectively managing spring pressure and preventing valve float during high RPM operation.
Featuring a 7-degree valve stem angle and a .0875-inch valve stem hole diameter, these beehive-style retainers are engineered to work seamlessly with PAC's beehive spring designs. This technology provides consistent load curves and avoids the bind-up issues often seen with traditional cylindrical springs. The design allows for increased installed height flexibility and reduced mass, which contributes to higher RPM capabilities while maintaining stable spring rates throughout the valve lift cycle.
These retainers are essential for those upgrading to aftermarket cam profiles with aggressive lobe separation or increased valve lift, ensuring that stock spring rates are not exceeded. Compatibility is dependent on specific engine configurations, making these retainers a vital choice for both street performance and dedicated track machines.
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