PAC Racing Springs PAC-1421-16 1400 Series Conical Valve Spring Set

The PAC Racing Springs PAC-1421-16 valve spring set is designed for applications requiring 1400 Series conical single valve springs. The set includes 16 springs, providing a complete group for an engine’s valve train service or replacement needs.

Each spring features a 437 lb/in spring rate and a 1.047-inch coil bind specification. The conical design and single-spring configuration support the product’s intended valve train setup while helping provide consistent spring characteristics throughout operation.

The springs feature a listed outside diameter range of 1.012 to 1.305 inches. This PAC Racing Springs set is identified by part number PAC-1421-16 and is supplied as a 16-piece set. Verify application requirements and available clearance before installation.

Features:

• Brand: PAC Racing Springs
• Part Number: PAC-1421-16
• Series: 1400 Series
• Spring Type: Conical single valve spring
• Spring Rate: 437 lb/in
• Coil Bind: 1.047 inches
• Outside Diameter: 1.012 to 1.305 inches
• Quantity: Set of 16