The flange is built to match the stock 4AGE 20V ITB mechanism for any seamless and turbulence-cost-free air movement inside the combustion chamber. The fifth technology or Black Leading might be recognized because of the black plastic valve cover. This kind of engines had been produced from 1995 to 2002 https://angelobkgga.blogerus.com/53816146/the-ultimate-guide-to-toyota-4a-ge