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I'm working on my ls install and need to know the bolt sizes for bellhousing to the engine and for the torque convertor to the flex plate. It's a 2004 6.0 and a 2002 4l80e. Anybody know off hand?
I don't know sizes but ordered a used set off eBay more than once for the LS flexplate bolts.
Can buy them new as well. Just be sure to get the correct length, they're different depending on year & trans.
They are not just regular bolts and I would not use anything but OE equivalent on the flexplate.