Manley Performance Valve Spring Cups Universal

These are the Manley Spring Cups which have been designed to protect your heads from being pitted or damaged from your high-pressure valve springs. These cups have been fabricated from high-grade steel materials where they are machined to .062″ thick where they are then heat treated and finished in a black oxide coating.

Here are the specs for these particular cups:

16 Pieces
1.437 Spring O.D.
1.550 Cup O.D.
.687 Cup I.D.
.150 Wall Shoulder Height
Works with Manley Spring Part # 22407, 22408