For GM SB2 Head, SB2 block applications with large lifter bores, .300" taller; .875? diameter; 122g weight; 1.88? seat height; .300" tall; EDM Oil Injection Technology guarantees that the bearing assembly receives constant, pressurized oil flow via precision hole aimed at the bearings; Needle bearings are precision sorted by size to evenly distribute loads, which prevents premature wear and failure ; Durable axle is made from wear resistant tool steel to prolong the life of the roller assembly, especially in high RPM applications
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