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Main bolt help

Old Nov 24, 2010 | 11:06 AM
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Default Main bolt help

Ok bought a 5.3 block and it came with the mains but not the smaller main bolts that go in from the sides. What size n length are they and can I just get class 10.5 hardened bolts?
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Old Nov 24, 2010 | 11:37 AM
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I'm not sure what size they are but you can get them at your local dealer pretty cheap I would think. Part number 12556127. If you can't get them, call us and we can get them for you.

Jon
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Old Nov 24, 2010 | 12:15 PM
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I would get the OEM bolts. They have a pretty significant influence on the housing bore for only torquing to about 18-20ft-lbs.
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Old Nov 24, 2010 | 03:53 PM
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The OEM bolts also have a silicone seal molded under the bolt head.
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