A Bob's Machine Setback Bracket lets you precisely position your outboard into cleaner water for efficient prop performance. By minimizing prop slippage and reducing drag, this rigid bracket delivers greater bow lift with faster planing and smooth, wide-open running. Designed to fit standard BIA bolt patterns on up to 550hp engines. Weight: 625 lbs. Manufacturer's 5-year limited warranty. Positions motor for greater prop efficiency Minimizes prop slippage Reduces drag Better bow lift, smoother running Handles up to 550hp engines