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Old 04-13-2016, 09:43 AM
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Jason67 Jason67 is offline
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Join Date: Jan 2003
Location: United States of America
Posts: 991
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GM used a few bolt venders on many items, The center shifter thru bolt could also be a TR, WB, etc with the 6 hash marks being grade 8. The bottom right bolt could be TR, SBC, WB, etc grade 2 bolt. Correct bolts can be found pretty cheap with some research, and Yes, I went that far with my restoration.

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