Crower 66491X903E-2 Features:

Crower ENDURAMAX raised-seat roller lifters, 2-piece pair, for Chevrolet Big Block and Dart blocks. .903 in. OD cutaway design helps provide pushrod clearance in BBC and Dart applications. Raised +.300 in. pushrod seat fits Dart BBC blocks without grinding the lifter bore for clearance. Billet alloy bodies with stainless steel alignment blade and HIPPO EDM pin oiling to the bearings.

Enduramax Rollers Raised .903 In. Od BBC Cutaway Raised-seat Features:

• Raised +.300 in. pushrod seat for Dart BBC lifter-bore clearance, eliminating block grinding for pushrod clearance in raised-bore builds
• .903 in. OD cutaway roller lifter design for Chevrolet Big Block and Dart block applications, optimized for taller lifter-bore configurations
• HIPPO EDM pin oiling feeds needle bearings and pin for continuous high-pressure lubrication at critical load areas under racing conditions
• Lightweight billet alloy bodies with stainless steel alignment blade for severe-duty valvetrain stability and reduced reciprocating mass
• NBO needleless-bearing option with precision flow-checked oiling reliability; 2-piece replacement pair, oil restrictors not recommended