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**Warrens69GMC** · 12-01-2003, 01:55 PM

On our 350 with a similar casting # 14016379 It is a 4 bolt out of a truck. your 14(8)16379 may have debris or casting flash in the 0.
www.mortec.com lists it as a 2 or 4 bolt 77-79 (2pc seal)
HTH
warrens69gmc

12-01-2003, 01:55 PM	#2
Warrens69GMC Registered User Join Date: Jan 2003 Location: Safford,AZ Posts: 3,626	block # On our 350 with a similar casting # 14016379 It is a 4 bolt out of a truck. your 14(8)16379 may have debris or casting flash in the 0. www.mortec.com lists it as a 2 or 4 bolt 77-79 (2pc seal) HTH warrens69gmc