Description Product Reviews Flagg B1247-22 GM Spring Bolt (5/8-18x4-1/2) 104, 30587017, 334768, 6029377, 75900, B124722, E3415, E3792, M4962, SA1429 B1247-22 SUSPENSION MAKE: LENGTH:4.5 LARGE DIAMETER:0.625 SMALL DIAMETER: LOCK SLOT: SPRING PIN TYPE:1 THREAD SIZE:5/8-18 THREAD LENGTH:1-1/2 COMMENTS:TORQUE ARM BOLT