The GM small block has ... While the LSA is the more powerful engine — producing up to 580 horsepower with the help of a 1.9 liter Eaton supercharger — the LS3 is a notoriously reliable ...

The fact is that Chevy's LS engine already has tons of blowers ... less than the approximately $9,000 street price of GM's comparable LSA supercharger kit. What's more, the most common Hellcat ...

The LSA engine shares many similarities with GM's LS3, but it was designed from top to bottom with quiet performance in mind.