GM756

Top flange :
Overhang on engine side to a 12.50 overall header size
A total of 14 holes, 9 drilled clearance for 5/16″ bolts and 5 tapped 5/16″” N.C. threads.
Bottom flange :
11 holes

Product OEM

Year-from	1970
Year-to	1970
Product-oem	3MF5490M
Make	GMC
Product Type	Radiator Tanks And Parts

Product Comment

Top flange :
Overhang on engine side to a 12.50 overall header size
A total of 14 holes, 9 drilled clearance for 5/16″ bolts and 5 tapped 5/16″” N.C. threads.
Bottom flange :
11 holes

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