Inspired by the design of the legendary Honda K20.
From scratch, this shop has designed and built a kit to add dual overhead cams to the 240Z’s beloved L24 straight-six engine—using parts from another Japanese hero engine, Honda’s durable, highly tunable DOHC K24 four-cylinder.
https://www.roadandtrack.com/car-culture/a37360407/datsunworks-kn20-head-brings-dohc-to-the-240z/?utm_source=facebook&utm_medium=social-media&utm_campaign=socialflowR%26T&fs=e&s=cl