Crower 66378X903T-2 Features:

Crower 66378X903T-2 severe-duty mechanical roller lifters for Ford 289-351W V8 applications .903 in. outer diameter design with .812 in. bearing for oversize bearing roller lifter performance Features a .150 in. intake offset and +.300 in. seat height for specialized Windsor valvetrain geometry Cutaway oversize bearing lifter configuration engineered for high-performance engine building applications

Severe Duty Rollers 289-3 .903 In. Od, .150 In. Features:

• V8 Ford 289-351 Windsor fitment, severe-duty mechanical roller lifters, pair configuration for performance valvetrain setups
• .903 in. OD body, .812 in. bearing, cutaway oversize-bearing design for added strength and controlled roller support
• .150 in. intake offset, +.300 in. seat height for valvetrain geometry tuning in specialized Windsor engine combinations
• Mechanical roller construction for high-rpm engine builds, dependable lifter action, and performance valvetrain stability
• Crower severe-duty rollers for 289-351W applications, precision-focused performance upgrade for demanding engine builds