Do you want to upgrade your autopilot system but keep the exsisting drive unit? Then a Raymarine Evolution System Pack is what you need. Each pack comes with a p70s or p70Rs display head, ACU (Actuator Control Unit) and an EV-1 Sensor Core.
T70281 – EV-100
Evolution Autopilot with p70s & ACU-100
Small to mid-size vessels using Wheel / Tiller 0.5L Hydraulic Drives
T70407 – EV-150 Power
Evolution Autopilot with p70Rs & ACU-150
Small to mid-size power vessels using 1.0L Hydraulic Pump
T70155 – EV-200 Sail
Evolution Autopilot with p70s & ACU-200
Mid-size sailing vessels and Type 1 Drives
T70156 – EV-200 Power
Evolution Autopilot with p70Rs & ACU-200
Mid-size power vessels and Type 1 Drives
T70161 – EV-400 Sail
Evolution Autopilot with p70s & ACU-400
Large sailing vessels and Type 2 and Type 3 Drives
T70162 – EV-400 Power
Evolution Autopilot with p70Rs & ACU-400
Large power vessels and Type 2 and Type 3 Drives