To the cylinder head It's really a real RBC cylinder head Along with the missing motion castings in place prepared to swap over rockers and cams from my broken RBB. The engine also came While using the RBC VTC gear. So all and all it would've been a good deal https://jdm-engine-4age-blacktop45454.is-blog.com/38989441/4age-20v-turbo-engine-for-sale-things-to-know-before-you-buy