Crower 66490X903E-2 Features:

Raised-seat EnduraMax roller lifter for Small Block Chevy applications. .903 in. OD body designed for .904 in. lifter bore fitment. Needleless roller bushing design helps handle high loads and extreme rpm. HIPPO high-pressure pin oiling feeds oil to the roller assembly and shaft.

Enduramax Roller Lifters Raised Seat .903 In. Od For Features:

• Raised-seat design for Small Block Chevy, optimized .903 in. OD fit for .904 in. lifter bore and stable valvetrain geometry under high-rpm use
• Needleless roller bushing design for greater load capacity, reduced bearing distress, and added durability under severe valve spring pressure
• HIPPO high-pressure pin oiling system feeds oil directly to the roller assembly and shaft for continuous lubrication at extreme rpm
• Premium-series race-proven roller lifters engineered for long service life in high-performance and competition Small Block Chevy builds
• EnduraMax roller lifter construction supports extreme rpm operation with enhanced stability, oil control, and long-lasting roller performance