Chevy 383 Crate Engine

GM 383 Crate Engine | GM Crate Engines for Sale Advertised to make 435 hp, the SP383 saw those numbers and raised them by another 11 hp. Peak torque was a bit more than advertised, too, as ... 383 Chevy Stroker Crate Engine With 450 HP The GM crate version uses a 4.00-inch bore block with a 3.80-inch stroke to achieve slightly over 382 cubic ... ................
................