Crower 66492H-16 Features:

Raised-seat mechanical roller lifters with +.300 in. higher pushrod seat for tall lifter bores in late-model SBC racing blocks Severe-duty cutaway billet alloy bodies with heavy-duty stainless steel alignment blade for high-cylinder-pressure, high-rpm use HIPPO high-pressure pin oiling uses EDM oil feed from the oil band to the needle bearings to improve roller bearing cycle life Intake-offset, .842 in. OD lifters for Chevrolet small-block V8 1955-up, 262-400 ci applications with raised-seat valvetrain geometry

Severe Duty Rollers Raise Raised Seat Hippo Intake Offset Features:

• Raised +.300 in. pushrod seat for tall lifter bores and late-model SBC blocks, optimized valvetrain geometry under high-rpm loads
• HIPPO EDM direct pin oiling to needle bearings, improved roller lubrication and cycle life in high-cylinder-pressure racing use
• Lightweight billet alloy cutaway body with heavy-duty stainless steel alignment blade, reduced mass with stable lifter control
• .842 in. OD mechanical roller lifter with intake offset design, precise fit for raised-seat small-block Chevrolet applications
• Crowned bearings and optimized outer race for reduced lobe tracking, maximum reliability for severe-duty high-rpm valvetrain operation