Crower 66215X903H-2 Features:

Crower Severe-Duty mechanical roller lifters for 1962-up Ford V8 221-302-351W engines, sold as a 2-piece pair. 0.903 in. outer diameter with oversized 0.812 in. bearing for added wheel strength in high-rpm, high-cylinder-pressure use. HIPPO high-pressure pin oiling design with billet alloy body, CNC-machined construction, and heat-treated wear surfaces. Vertical link bars with zero offset, raised heavy-duty blade for late-model blocks, and 1.730 in. lifter seat height.

Roller Lifters Ford 221-3 .903 In. Od, .812 In. Features:

• Oversize 0.903 in. OD body with 0.812 in. bearing, severe-duty mechanical roller design for 1962-up Ford 221-302-351W engines
• HIPPO high-pressure pin oiling for improved wheel lubrication under high-cylinder-pressure, high-rpm racing conditions
• Billet alloy body, CNC-machined and heat-treated for wear resistance, with lightweight construction for valvetrain control
• Heavy-duty raised blade with vertical link bars and zero offset, plus 1.730 in. seat height for late-model block fitment
• Thick-wall lifter body with oversized follower wheel, sold as a 2-piece pair for demanding high-performance applications