Description
- In excellent condition.
- Has the GM part number and GM mold number on it.
- Reproductions don’t have “GM” and a mold number.
- Has (1) 3/8-16 x 2-12″ long bolt with a WB 1C Head mark.
- Threads on this bolt is ~1″ long.
- Also has (1) 3/8-16 x1″ long bolt with a “T” and 3 radial bar head mark.
- Lock washers for these are 3/8″ ID x 5/8″ OD & 0.115″ thick.
- This is a full thread bolt.
- Outer edge of lock washers is serrated for 1/16″ on the outer edge on one side only.
- Includes a new gasket
Fits:
40-57 Chevy, all w/6 cyl.
53-55 Chevy, 6 cyl.










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