Crower 66490X903H-2 Features:

Crower 66490X903H-2 roller lifters with raised-seat design for SMALL BLOCK CHEVY V8 1955-up 262-400ci applications +.300 in. higher pushrod seat improves pushrod geometry and helps eliminate lifter-bore grinding for pushrod clearance .903 in. OD body with .812 in. bearing, designed to fit tall lifter bores in performance SBC engine builds HIPPO high-pressure pin oiling enhances bearing lubrication and durability under extreme high-RPM operating conditions

Roller Lifters Raised Sea .903 In. Od, .812 Bearing, Features:

• Raised pushrod seat improves geometry and eliminates lifter-bore grinding for pushrod clearance on SMALL BLOCK CHEVY builds.
• .903 in. OD lifter body with .812 in. bearing for tall lifter bore SMALL BLOCK CHEVY applications and stable valvetrain motion.
• HIPPO high-pressure pin oiling enhances bearing lubrication and durability under extreme racing conditions and sustained high-RPM use.
• Fits SMALL BLOCK CHEVY V8 1955-up 262-400 ci engines; raised-seat design adds +.300 in. over standard Chevy roller lifters.
• Sold as a 2-piece pair for matched installation, consistent valvetrain setup, and simplified performance engine assembly planning.