New Big Block 4340 RB 4.15" Stroke Crankshaft, Chevy 2.200" Rod Journals Special Deal $699 Delivered

Rassnasty82 said

If you have someone that could turn down the mains to fit a 400 block i would be willing to pay the 700 plus the extra for machine work.

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Any competent machine shop should be able to accomplish this job with ease. Unless there is something different on an aftermarket crank. I’ve had a few factory cranks turned down no problem. Kim