The revolutionary new EZ-ROLLTM bearing option is exclusive for ISKY RED-ZONETM Roller Lifters! EZ-ROLLTM ?needle-free? roller bearings solve the age old dilemma of needle bearing overload. Although needle roller bearings perform well in light to moderately heavy load applications, the often extreme loading demands of ?all out? drag, pro-street, continuous operation endurance and offshore marine applications have long required a better performing alternative. Solution: ISKY?S proprietary solid bearing raceway EZ-ROLLTM Bearing! Spintron and field test proven over the past 8 years, EZ-ROLLTM bearings carry far greater loads. Their advanced needle-free design and greater surface area to load distribution footprint deliver a solid 350% higher load rating! EZ-ROLLTM, ... because needles really are old news!