i need some help

hi... can someone tell me how much these engines cost, please?

That's a very difficult question to answer without more details. Are you buying, selling, simply valuing, where are you located, are the engines in good mechanical condition? Neither of the engines pictured are particularly valuable of collectable. With items like these, cost (or value) can only be determined by the current market, the method of sale and what someone is wiling to pay.