Chevrolet enthusiasts are undoubtedly familiar with the custom 383 Stroker and stock 454 engines ... H-beam rods and a top-end kit on the 383 in a 1970 Chevelle produced around 520 horsepower.

In the case of the 383-cubic inch stroker, engine builders would modify crankshafts designed for the 400-cubic inch small block Chevrolet V8 and place them into modified 350-cubic inch Chevy blocks.

Walking around a 383-inch LS built from a 5.3L Vortec iron block and LS stroker kit 0:43 540-Inch Big-Block Chevy Makes Nearly 1,000 HP At 7,400 RPM On The Dyno ...

MotorTrend's Hot Rod Magazine compared the engines in two Chevelle's in 2023, finding that the 383 Stroker produced ... H-beam rods and a top-end kit on the 383 in a 1970 Chevelle produced around ...