Originally Posted by Lord_Hate
The 383sbc uses a 400 crank with turned down mains. Thanks for noticing the gaskets.
Yes it does and that's why I pointed that out. They do make crankshafts for your application. Why spend the $660 on a crankshaft just to spend even more to cut down the mains to the correct size when you can spend $630 and get the correct part in the first place.
Be careful with Eagle cranks too. Before you start buying bearings, balancers and the like be sure to measure it very carefully to make sure everything is in spec. Maybe even take it to a reputable machine shop and have them check it. I took my Eagle crank in and the shop informed me the crank snout was .0015" undersized. I had to make sure I got a balancer that fit properly, which meant I had to carefully measure the I.D. of the balancer hub as well to ensure the correct press fit.
Here is a head gasket similar to the one you had listed, for a Chevy: