Crower 66490H-16 Features:

Raised-seat severe-duty mechanical roller lifters for SBC 1986-up and Bowtie applications HIPPO high-pressure pin oiling with cutaway body and .842 OD lifter design Lightweight billet alloy bodies paired with a stainless-steel alignment blade + .300 in. higher pushrod seat helps address taller late-model lifter bores

Severe Duty Rollers Raise Raised-seat SBC .842 In. Hippo Features:

• Raised +0.300 in. pushrod seat for tall SBC lifter bores and corrected valvetrain geometry in modern engine combinations
• HIPPO high-pressure pin oiling for improved roller wheel lubrication and durability under severe-duty mechanical cam operation
• Lightweight billet alloy lifter bodies with stainless steel alignment blade for stable tracking and reduced valvetrain mass
• Cutaway mechanical roller design with .842 OD fitment for SBC 1986-up and Bowtie blocks requiring raised-seat lifters
• Oil restrictors not recommended; severe-duty raised-seat lifters for high-performance SBC builds with late-model taller bores