Chevy's fourth-generation LS7 7.0L small-block, one of GM's most powerful engines, upped the ante with 427 cubic inches derived by using a longer 4.0-inch crankshaft stroke with the same 4.125 ...

This kit has the components necessary for converting your 350-cubic inch SBC into a 383 stroker engine, including a 3.75-inch stroke cast-iron crankshaft (forged-steel crankshafts are available ...

The 327 SBC used the 4.001-inch bore with a 3.25-inch stroke, and the 350 SBC gained 48 cubic inches over the 302 by using the same 4.001-inch bore with a longer 3.48-inch stroke.