I took the original silvertop manifold and hacked the crap out of it, I Reduce The complete ISCV ports off the best and commenced rounding the runners till I obtained to this. The clutch get started change and starter relay were tied with each other on the engine harness aspect. https://4age-20v00875.blogrelation.com/39457689/little-known-facts-about-4age-engine-sale