With the flight school market showing signs of life, Piper is having a good year with its popular Archer and at AirVenture 2016 this week, the company says the airplane will be available with a new engine option. Piper is planning to certify the Lycoming IO-360-B4M for the Archer, making it the only GA airplane we know of with three engine choices.
Source: avwebPiper Offers Fuel Injection For The Archer