CII-604SK PLUS Crate Innovations Pro Series 604 Valve Spring Shim Kit

Crate Innovations Pro Series 604 Valve Spring Shim Kit

The kit is boxed with 12 each of 4 thicknesses of shims.

It includes a custom .025 size for the shop that wants to be on close tolerance.

NOTE: --adjusting shims are to be placed under the factory locating shim.

Valve Seal must be removed for proper installation.

The kit is compiled of:

• (12) .015 shims-- Orange
• (12) .020 shims-- Yellow
• (12) .025 shims-- Pink
• (12) .030 shims-- Blue

Shims are color-coded and bagged individually for easy identification.

WARNING: GM minimum installed height specification is 1.780.

Shimming springs less than specification can result in engine damage and/or disqualification of a competitor.