Honda developed it for the NSX, but the technology hit assembly lines first in the form of the original B16A, fitted to top-trim, second-generation Integras like the XSi.

Overseas Si and SiII Civic sedans were sold with Honda’s twin-cam B16A, which means Deiiz’s 1.8L swap was the simple, bolt-in process that you think it was. ... valve cover and intake system.

Photo: Honda Motor Co., Ltd. Although more than three decades have passed since its launch, the B16 is still one of the greatest engines ever built. It pioneered VTEC (Variable Valve Timing & Lift ...