Crower 68948-16 Features:

Crower valve spring seat discs, part number 68948-16, engine set of 16. Dimensions: 1.300 in. OD, 0.680 in. ID, 0.040 in. thickness. Helps keep valve springs properly located during high-rpm engine operation. Hardened steel base helps protect aluminum cylinder heads from galling and wear.

Spring Seat Discs 1.300 . 0.680 Id, 0.040 In. Features:

• 1.300 in. OD, 0.680 in. ID, 0.040 in. thick valve spring seat discs for precise spring positioning in high-performance valvetrain setups
• Set of 16 discs for complete engine installation, matching full V8 applications and simplifying parts planning during head assembly
• Hardened steel seating surface helps protect aluminum cylinder heads from galling, friction wear, and localized spring seat damage
• Keeps valve springs seated square to reduce spring wander, support stable valvetrain control, and improve high-rpm operation consistency
• May reduce need for spring seat machining or extra shimming, while helping prevent inner spring-to-guide interference in upgraded spring packages