They're still available as crate engines that you can buy from ... a rarity when it comes to mass-market engines. The LS9 has a compression ratio of 9.1:1 with a max engine speed of 6,600 rpm.

Today's automotive enthusiast can order a 500+ horsepower small-block Chevy V8 crate engine with a phone call or just a few clicks from the comfort of their home. Even better, they can choose from ...