Crower 68922-16 Features:

Crower 68922-16 valve spring seat cups, complete 16-piece set 1.365 in. OD, 1.265 in. inner spring location, 0.570 in. ID Precision-machined to keep valve springs seated during high-rpm operation Helps protect aluminum cylinder heads from galling and unwanted spring movement

Spring Seat Cups 1.365 1. 265 Id 0.570 In. Features:

• Set of 16 spring seat cups for dual-spring and triple-spring valvetrain setups, 1.365 in. OD, 1.265 in. spring locater
• 0.570 in. ID design helps center valve springs and maintain stable spring seating during high-rpm operation
• Prevents spring walk and shifting under aggressive valvetrain loads for improved valvetrain durability and control
• Helps protect aluminum cylinder heads from galling while reducing the need for additional seat cutting or shimming
• Precision-machined fitment solution for oversized performance spring OD on factory cylinder head spring seats