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Lost my timing crank sprocket key for my 76 455 olds engine.

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Old December 11th, 2018, 03:52 PM
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Lost my timing crank sprocket key for my 76 455 olds engine.
I lost my timing crank sprocket key that holds my timing crank sprocket in place. I cant find any websites that sell this part and am not sure what size it is. Does anybody have a link to a website or know the size?
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Old December 11th, 2018, 04:15 PM
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It's a 1/4" square key. When I typed Oldsmobile crankshaft key into Google, I got a bunch of sources, including Inline and Supercars.


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Old December 12th, 2018, 08:35 PM
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Originally Posted by joe_padavano
It's a 1/4" square key. When I typed Oldsmobile crankshaft key into Google, I got a bunch of sources, including Inline and Supercars.


This is the same one I purchased and it's a perfect fit.
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Old December 13th, 2018, 04:47 PM
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my local hardware store has all kinds of similar square keys and woodruff keys you may be able to find one at your local HW store
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Old December 13th, 2018, 07:32 PM
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I second the hardware store idea, I know that our Ace Hardware and Tractor supply both carry square stock in longer lengths
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