Stay on plane at lower speed. Better cornering, with reduced cavitation and prop blowout. Especially good for deck boats and pontoon boats.New Sport Clip (Model 9491101) gives you the option for drill-free installation of SE Sport hydrofoils. Now, there's no need to drill holes in the cavitation plate! The Sport Clip fits most outboards and sterndrives 25hp and larger and it includes all required hardware.SE Sport hydrofoils boost fuel efficiency, get you on a plane up to 50% faster, and enable you to remain on a plane at much lower speeds. With the patented features of Turbo Trac and thrust catching contoured surface, SE Sport hydrofoil users experience a whole new level of control. Rated the fastest foil in its class by independent testing, the narrow footprint and modified hydrofoil shape does not adversely affect trim at planing speeds which means you get maximum top end performance and excellent hole shot. SE Sport 200 is recommended for outboards from 8 to 40hp and it also fits many larger engines. SE Sport 300 is recommended for outboards and sterndrives (including Volvo) from 40 to 350hp. Site Gauge™ for a perfect installation included. Lifetime Warranty. Boost fuel efficiency, improve performance, reduce on-plane rpm and plane at lower speeds Narrow footprint and sleek shape offer less drag resistance for greater speed and lower rpm Sport Clip (Model 9491101) enables hydrofoil installation without drilling