Destroked Small Block?

Yes. The reason to destroke an engine is to fit into a cubic inch limit class. This is mostly found in NASCAR with there 355 cid limit. There are some drag racing classes that limit engine size by cubes. The rules that I have read in the past were small blocks to *** size, big blocks to *** size, etc... but that was stroking up. The old Trans Am racing series had a 5.0 liter limit.

How you get the cubic inches long s a matter of bore and stroke and there is nothing in the rules about you having my to (must) run a certain configuration.

MoPar used to sell destroke cranks for this purpose. 1 such kit was to destroke a .030-360 engine down to a 352. Currently Mancini racing has these forged cranks on sale. You’ll need a custom piston. Mopar had forged slugs for this.

The ability to rev high is mostly a valve train stability & valve spring issue. Not so much the cranks stroke. The idea of a shorter throw on a crank needs less time to cover the distance so yes, it revs quicker. If everything else is equal. A shorter throw on a crank coupled with heavier rods and pistons will not move as fast (or easy) then a longer stroke crank and super light rods and slugs.

I have a destroker crank, rod, ring and slug set from MoPar. If I get a suite able block to run it, I will.