Our team ventured on updating our car`s engine WITH an automotive cylinder head. Using this product we found that the engine performed incredibly better than before .The precision in the Fel Pro ES model is evident, with a smoother operation, seamless starting, and increased power and torque. Additionally, the construction appears durable and of high quality. The only downside is it is pricier than other comparable products, but the added benefits make it worth the investment. Overall, we highlySee full review