Description Product Reviews Flagg B1423-99 Advance Spring Bolt 11395, 327492, 4001003, B142399, M5314, SP1423 B1423-99 SUSPENSION MAKE: LENGTH:7.125 LARGE DIAMETER:1.25 SMALL DIAMETER: LOCK SLOT: SPRING PIN TYPE:1 THREAD SIZE:1-1/4-12 THREAD LENGTH:1-15/16 COMMENTS:SPRING PIN