Corvette ZR1’s Powertrain Details Revealed: 5.5L V8 Engine with Potential for 850 HP

GM Parts Catalog Leak Sheds Light on Corvette ZR1's Engine and Gearbox

 

Equally intriguing is the “M1K” codename attributed to the gearbox. This nomenclature differentiates it from the “M1M” utilized by the Z06, the “M1L” employed in the regular Stingray, and the “MLH” transmission found in the E-Ray. Given the anticipated power increase through forced induction, “M1K” suggests a more robust transmission capable of handling the additional power.