Excellent provider all over. My new mower arrived the working day right after I’d ordered it. Considerably appreciated. The five valve head is Toyota's reward on the 4AG after the 4AGZE went absent. With the additional valve and independent throttle bodies- the 4AG 20 valve is a novel head design https://4age20vblacktop38147.ageeksblog.com/26365259/the-smart-trick-of-toyota-4age-blacktop-engine-for-sale-that-nobody-is-discussing