Crower 66330-12 Features:

Drop-in-style hydraulic roller lifters for 6-cylinder Chevy late-model blocks; no retro-fit link bars or lock blades required. Set of 12 lifters with standard 0.842 in. outside diameter and zero lifter offset for correct 6-cylinder fitment. CNC-machined, heat-treated lifter bodies are precision flow-checked for optimum leak-down rates and reliable hydraulic operation. Improved shrouding around critical bearing areas helps reduce tappet and lifter bore wear under high-load conditions.

Hydraulic Roller Lifters Drop-in Style, Hydraulic, 0.842 In. Od Features:

• Drop-in-style hydraulic roller lifters for 6-cylinder Chevy engines, direct late-model block fit, no retro-fit link bars or lock blades required
• CNC-machined, heat-treated lifter bodies for strength, stability, and consistent performance under demanding engine loads
• Precision flow-checked hydraulic design for optimum leak-down control, maintenance-free operation, and reliable valvetrain function
• 0.842 in. outside diameter with zero lifter offset for proper fitment and dependable geometry in 6-cylinder Chevy applications
• Improved bearing-area shrouding reduces tappet and lifter bore wear, complete 12-piece set for high-load durability and service-ready installation