PAC Racing Springs PAC-S190-16 Valve Spring Shims, 1.250-Inch OD, 0.020-Inch Thick, Set of 16

PAC Racing Springs valve spring shims are designed to provide precise spring seat adjustment and reliable support in high-performance valvetrain applications. Part number PAC-S190-16 includes a set of 16 steel shims with a 0.020-inch thickness, 1.250-inch outside diameter, and 0.570-inch inside diameter for compatibility with appropriately sized valve spring assemblies.
These PAC Racing Springs shims help establish the correct installed spring height and can be used to fine-tune valve spring pressure during engine assembly. Their steel construction provides dependable durability under demanding operating conditions, making them a practical choice for performance engines, racing applications, and precision valvetrain setup work.
The PAC-S190-16 set is intended for professional engine builders, machinists, and enthusiasts who need consistent spring seat adjustment from a trusted valve spring component manufacturer. Verify spring dimensions, retainer clearance, and application requirements before installation to ensure proper fit and safe valvetrain operation.

Features:

• Brand: PAC Racing Springs

• Part Number: PAC-S190-16

• Product Type: Valve spring shim set

• Material: Steel

• Thickness: 0.020 inch

• Outside Diameter: 1.250 inches

• Inside Diameter: 0.570 inch

• Quantity: 16 shims

• Application: Valve spring seat adjustment and installed height correction