Crower 66204H-16 Features:

Full-body mechanical roller lifter set for 1958-1965 Chevrolet 348-409 V8 engines, complete set of 16 Features Crower HIPPO high-pressure pin oiling for direct oil delivery to the needle bearings 0.8415 in. body diameter with 0.750 in. bearing for Chevy 348-409 valvetrain fitment Crowned bearings and crowned outer race help reduce lobe tracking and extend service life

Roller Lifters Chevy '58- Hippo Pin Oiling, 0.842 In. Features:

• Full-body mechanical roller lifters for 1958-1965 Chevrolet 348-409 V8, complete 16-piece engine set, 0.842 in. body diameter
• HIPPO high-pressure pin oiling feeds needle bearings directly for improved bearing lubrication and valvetrain durability under load
• 0.750 in. bearing with crowned bearing and crowned outer race design helps reduce lobe tracking and supports longer service life
• No-offset lifter configuration for correct 348-409 fitment, engineered for classic high-performance Chevrolet valvetrain upgrades
• Original mechanical roller design for premium performance applications; do not use oil restrictors with these roller lifters