Making Real Power with 243 Head Porting
Getting serious about 243 head porting is usually the moment an LS build goes from a basic cam swap to something that actually hauls. If you've spent any time looking for budget-friendly ways to wake up a 5.7L or 6.0L Chevy small block, you already know these castings are the "gold standard" for factory heads. They came on the LS6 and the LS2, meaning they already have a pretty great pedigree right out of the box. But let's be honest—factory mass-produced parts always leave something on the table. ...