If you're going to consider 1, it will never be less difficult than at this time. Due to extra deck height, the K20A2 intake manifold assistance bracket that stretches to your block will not likely really arrive at. We fabricated a 19.7mm tall aluminum spacer to acquire up the slack. https://jdmnissansr20turboenginef57912.blogsumer.com/26594152/not-known-details-about-ej20-turbo-motor-for-sale