Davis Instruments Whale Tail XL Hydrofoil Stabilizer<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Improves out boat or I/o performance </span></li><li><span class="a-list-item"> Reduces proposing and cavitation </span></li><li><span class="a-list-item"> Increases fuel efficiency </span></li><li><span class="a-list-item"> The Whale Tail XL extends out behind the prop to utilize the prop wash energy that normally is lost breaking the water. This energy is transformed to lift against the Whale Tail XL for immediate response when the throttle is applied </span></li><li><span class="a-list-item"> Stabilizes bow-light boats. Adds safety - when bow is down， vision is improved </span></li><li><span class="a-list-item"> Increases top speed and saves fuel in most applications </span></li><li><span class="a-list-item"> Smoothes out ride in rough water; reduces porpoising and cavitation </span></li><li><span class="a-list-item"> Made of marine grade aluminum with durable anodized finish. Installs in 15 minutes with stainless steel hardware included. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41XS8w9wzkL.jpg" noproxy>