AFTER INSTALLING THE 4:11 3RD MEMBER IN THE 3800 1 TON DUALLY REAR-END. I HAD CHECKED EVERYTHING OUT. DIRECT BOLT UP "EATON" FOR H-050 AND H-072 AXLE. THE 10 BOLT 3RD MEMBER IS A ROUND FLANGED EATON NOT A SPICER. QUESTIONS CALL 262-895-6779
SAM