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1G Belhousing Bolt Dimensions

BLACK'98DSM

Proven Member
3,757
1,352
Feb 9, 2019
Alabama
1GNT, '92 Eclipse GS with 4g37 and 5 speed.

I'm missing the 2 upper belhousing bolts, and was wondering if anyone happens to know the dimensions of them so I can buy some new ones. Finding originals is unlikely. I'll also need to know so I can purchase some longer ones to mount my block to the engine stand.

Thanks in advance. If no one can provide insight I may have to remove one of the others and measure the thread pitch. I have a feeling the lengths will vary though.
 

19Eclipse90

DSM Wiseman
5,298
1,165
Sep 29, 2003
OKC, Oklahoma
They are the same as any 1G or 2G with the 4G63. M10 x 1.25, either 40 or 43.5 mm long depending on which one you're dealing with.
 

19Eclipse90

DSM Wiseman
5,298
1,165
Sep 29, 2003
OKC, Oklahoma
ASA shows them as the same, as does the Chrysler catalog. The two top bolts are M10 x 1.25 x 43.5 (exhaust side) and 40 (intake side) millimeters. :idontknow:

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