Oliver LS Series I-Beam Connecting Rod - 6.125 in Long - GM LS-Series (Set of 8) MA01BLFBZ it means that these are

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Oliver LS Series I-Beam Connecting Rod - 6.125 in Long - GM LS-Series (Set of 8) MA01BLFBZ it means that these areProduct Description: Connecting Rod LS Series I Beam 6. 125 in Long Bushed 7 16 in Cap Screws ARPL19 Bolt Forged Steel GM LS Series Set of 8 Oliver Racing Parts draws from more than a century of manufacturing expertise to create what has been called the ultimate I beam connecting rod. Using CAD with refinements provided by FEA (Finite Element Analysis), Oliver has created a new benchmark in quality. Oliver billet and forged steel rods are widely used