T-H Marine ATLAS 10" Hydraulic Jack Plate comes with a relay harness and rocker switch. Contact your boat manufacturer or local dealer for setback recommendations for your particular boat and also the effects adding a jack plate can have on your boat

The Atlas revolutionary design meets the demands of today's high-performance outboards. The one-piece design, featuring the innovative Rod and Slot lifting system, will handle the stresses from the heaviest and most powerful outboards, up to 300 HP or 625 pounds, on the market today.

All of the hydraulics are built into the jack eliminating the necessity of installing pumps and reservoirs inside the transom. The all-new hydraulic unit is fast too..lifting from bottom to top in 8 seconds!

Transom side of the atlas is 16 3/8" wide x 12 1/2" tall"

NOTE: mounting bolts are not included