Description Product Reviews Flagg B1403-75 Peterbilt Spring Pin 201561, 327446, B140375, M5274, SP1403 B1403-75 SUSPENSION MAKE: LENGTH:6.125 LARGE DIAMETER:1.25 SMALL DIAMETER: LOCK SLOT:5.0 SPRING PIN TYPE:3 THREAD SIZE: THREAD LENGTH: COMMENTS:SPRING PIN