Crower 68153-16 Features:

Crower 68153-16 dual valve spring set for LS1 valvetrain applications 1.300 in. outer diameter dual spring design for high-performance engine builds Official Crower catalog part number 68153-16, built for LS1-specific fitment Packaged dimensions approximately 13.00 in. H X 4.00 in. W X 4.00 in. D

Valve Springs 1.300 Dual For LS1, 1.300 In. Od, Features:

• LS1-specific dual valve spring set engineered for valvetrain upgrades and consistent high-rpm valve control in performance builds
• 1.300 in. outer diameter design for LS1 fitment, supporting precise spring selection for compatible cylinder head combinations
• Crower part number 68153-16 identification for direct application reference and easier matching during engine valvetrain planning
• Dual spring configuration for increased valvetrain stability, better control under demanding operation, and upgrade-ready performance support
• Packaged dimensions approximately 13.00 in. X 4.00 in. X 4.00 in. for straightforward inventory handling, storage, and order verification