F4R, F7R or F8Q(diesel) crankshaft and F7R or F4R pistons

[dkrevs]

As titled. Crank must be journal checked with micrometer.

[Yanoo_]

Use F4R crankshaft if you can, lighter but not weaker than the Williams and diesel crankshaft.

[dkrevs]

Thanks for advice. I will be happy even to get any.