PAC Racing Springs PAC-R355-16 300 Series 7-Degree Chromoly Valve Spring Retainers for GM LS-Series Engines, Set of 16

PAC Racing Springs PAC-R355-16 valve spring retainers are designed for GM LS-series engines using 1.280-inch dual valve springs. Manufactured from durable chromoly steel, these 300 Series retainers provide reliable spring location and valvetrain support for performance engine applications. The 7-degree design is compatible with matching valve locks and helps maintain proper component alignment during operation.
The stepped outside diameter accommodates valve springs with 0.920-inch and 0.650-inch seating areas, making these retainers suitable for specific PAC Racing Springs dual-spring configurations. Their precision-focused design supports consistent valvetrain assembly while helping withstand the demanding conditions found in high-performance and racing engines. The set includes 16 retainers for a complete engine installation.
PAC Racing Springs is recognized for producing performance valvetrain components engineered for strength, fit, and dependable operation. Verify valve spring, valve lock, cylinder head, and installed-height compatibility before installation to ensure the PAC-R355-16 retainers match your application. These retainers are intended for GM LS-series engine builds requiring 7-degree chromoly retainers for 1.280-inch dual springs.

Features:

• Brand: PAC Racing Springs

• Part Number: PAC-R355-16

• Application: GM LS-series engines

• Series: 300 Series

• Material: Chromoly steel

• Retainer Type: Valve spring retainer

• Valve Lock Angle: 7 degrees

• Spring Compatibility: 1.280-inch dual valve springs

• Stepped Outside Diameters: 0.920 inches and 0.650 inches

• Quantity: Set of 16