SKU: PACPAC-R316-16
UPC: 193564538055
MPN: PAC-R316-16
The 1.235 Steel C/M Valve Spring Retainers - 7 Deg from PAC Racing Springs are designed for LS-series engine builders and performance enthusiasts who require precise valve train control. These retainers play a crucial role in maintaining consistent spring pressure and preventing valve float at high RPM, making them essential for various performance applications.
Constructed from high-quality steel, the 1.235 inch outer diameter design accommodates dual spring configurations with 0.880 inch and 0.640 inch OD step geometry. The 7-degree seat angle optimizes seating geometry for reliable spring preload retention while minimizing rotational stress on the retainer and keeper interfaces. This construction ensures superior strength-to-weight characteristics, which is vital for enhancing throttle response in high-revving LS engines.
These retainers are specifically designed for GM LS-series engines, including LS1, LS2, LS3, and LS7 variants. They are ideal for performance applications where reliable valve actuation under extreme loads is necessary. Proper installation is essential to ensure uniform spring pressure across all valves, which helps eliminate valve train harmonics and maximizes engine longevity.
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