om606 X-Beam Connecting Rod

Material High Tensile Forged 4340 Steel Surface Treatment 0.3-0.5mm Shot Peening Balanced Weight Optimal +/- 1g per Set B.E and S.E Tolerance ≤+/-0.00017" Verticality, Parallelism and Distortion ≤+/-0.00018" Center to Center Distance Tolerance ≤+/-0.001" HRC 33-38 Torque of Bolt 7/16"-95N.M   Should you choose to replace the included manufacturer's bolts with ARP, their 8740 SKUs are 200-6006 (16 piece set) and 200-6026 (2 pack)