PAC Racing Springs PAC-1218-16 1200 Series Ovate Beehive Valve Springs for GM LS-Series

PAC Racing Springs PAC-1218-16 valve springs are designed for GM LS-series applications and feature an ovate beehive design. This set includes 16 valve springs for engine builds requiring a dedicated replacement or performance-oriented spring set.

Each spring has a listed spring rate of 313 lb/in and a coil bind specification of 1.140 inches. The springs feature inner and outer diameters of 1.055 inches and 1.290 inches, respectively, providing key specifications for application review and engine component planning.

The 1200 Series construction and beehive profile offer a purpose-built valve spring option for compatible GM LS-series cylinder head and valvetrain configurations. Verify application requirements and installation specifications before use.

Features:

• Brand: PAC Racing Springs
• Part Number: PAC-1218-16
• Series: 1200 Series
• Design: Ovate beehive valve spring
• Application: GM LS-series
• Spring Rate: 313 lb/in
• Coil Bind: 1.140 inches
• Outer Diameter: 1.055 inches / 1.290 inches
• Quantity: Set of 16