Crower 66491X842E-2 Features:

Crower ENDURAMAX raised-seat roller lifters, part number 66491X842E-2, include 2 pieces with a BBC cutaway design and .842 in. OD. Built for late-model blocks with taller lifter bores, these lifters use a +.300 in. higher pushrod seat to help correct pushrod geometry. Lightweight billet alloy bodies are matched with stainless steel alignment blades for stable valvetrain control in demanding applications. ENDURAMAX Needleless Bearing Option is engineered to handle severe valve spring pressures and extreme RPM in racing conditions.

Enduramax Rollers Raised BBC Cutaway .842 In. Od Pair Features:

• Raised-seat roller design for tall lifter bores, +.300 in. higher pushrod seat for corrected pushrod geometry
• BBC cutaway body, .842 in. OD fitment, pair of 2 lifters for matched installation and service convenience
• Lightweight billet alloy bodies, reduced valvetrain mass for high-rpm stability and responsive valve action
• Stainless steel alignment blades, secure lifter tracking under severe valve spring pressures and extreme rpm use
• Needleless bearing option, built for racing durability at extreme rpm; no oil restrictors recommended during use