PAC Racing Springs PAC-S113-16 Chromoly Valve Spring Retainers, 1.450-Inch OD, Set of 16

Upgrade valve train durability and spring alignment with PAC Racing Springs PAC-S113-16 valve spring retainers. Manufactured from strong chromoly steel, these inside-style spring seats are designed for demanding performance applications where dependable component strength and precise spring control are essential. The set includes 16 retainers for complete installation across a compatible engine application.
The PAC-S113-16 retainers feature a 1.450-inch outside diameter, 0.630-inch inside diameter, and 0.980-inch spring inside diameter. Their 0.060-inch thickness provides a solid seating surface while helping maintain consistent spring positioning during operation. The inside configuration is suited for valve train setups requiring reliable retention and proper interface between the spring and cylinder head.
Designed by PAC Racing Springs, these chromoly retainers support stable valve spring installation and long-term performance under high-load conditions. Verify spring, retainer, cylinder head, and valve stem compatibility before installation to ensure the correct fit and operating clearances. This product is supplied as a set of 16 and is intended for automotive performance and engine-building applications.

Features:

• Brand: PAC Racing Springs

• Part Number: PAC-S113-16

• Product Type: Inside-style valve spring retainer

• Material: Chromoly steel

• Outside Diameter: 1.450 inches

• Inside Diameter: 0.630 inch

• Spring Inside Diameter: 0.980 inch

• Thickness: 0.060 inch

• Quantity: Set of 16