Outboard Hydrofoil: Two sizes from 8HP to 350HP

Rockboat Outboard Hydrofoil.

Two Sizes:

RB40: 8HP to 39HP (except Mercury 40/50/60HP four strokes)

RB350: 40HP to 350HP

Improves steering at both low and high rpms

Reduces porpoising and cavitation

Fast planing and lower on-plane RPMs saving fuel

Crescent shaped surface funnels water flow for more thrust and control

A must for skiers, wakeboarders.

Includes SS bolts/ locking washes/ rubber washers and instructions. Does require drilling.