Crower 66284AM-16 Features:

Fits Chrysler V8 Arias 8.3L engines; set of 16 Maximus Series mechanical roller lifters. Standard 1.340 in. pushrod seat height with .9031 in. lifter body diameter. Features .812 in. bearing O.D., 121 g weight per lifter, and tool steel axle. High-strength alloy steel body is carbonized for wear resistance with heat-treated outer races.

Maximus Roller Lifters Ar Chrysler V8 Arias 8.3L, .9031 Features:

• Fits Chrysler V8 Arias 8.3L, .9031 in. body diameter, 1.340 in. standard seat height for correct valvetrain geometry
• HIPPO pressure-fed pin oiling with EDM-drilled oil path to needle bearings for improved high-load lubrication and cycle life
• High-strength alloy steel body, carburized wear surface, heat-treated outer races, tool steel axle for severe-duty performance
• Heavy-duty stainless steel alignment blade with contoured, micro-polished, precision-sorted needle bearings for stable roller motion
• 16-piece mechanical roller lifter set, .812 in. bearing O.D., 121 g each for high-performance Chrysler V8 applications