Crower 66284ATM-2 Features:

Crower Maximus mechanical roller lifter pair for Chrysler V8 Arias 10.0L engines, part number 66284ATM-2. Standard seat height measures 1.300 in. with a .903 in. body diameter and approximate weight of 121 g each. High-strength alloy steel body is carbonized for wear resistance and maximum strength in high-impact valvetrain use. Heavy-duty stainless steel alignment blade and precision-ground mounting pad help maintain accurate lifter alignment.

Maxiumus Rollers Arias 10 1.300 In. Seat Height, .903 Features:

• 1.300 in. seat height for Arias 10.0L fitment, .903 in. body diameter, mechanical roller design for precise valvetrain control
• Carbonized alloy steel body for wear resistance and strength under high-load, high-impact racing conditions
• Heavy-duty stainless steel alignment blade with precision-ground mounting pad for accurate lifter alignment and stability
• Heat-treated bearing-quality outer race, micro-polished needle bearings, and precision-ground tool steel axle for reliability
• 2-piece pair configuration, approximately 121 g weight, engineered for Chrysler V8 Arias 10.0L performance applications