Driven clutch assembly, standard Splined Shaft. For EZGO gas (4 cycle) 1992-up. Will only work on Gas TXT carts with a 4-Cycle Robins Engine. If your cart is 2010-Up with a MCI or Kawasaki engine, this clutch WILL NOT work. 2010-Up Gas TXT's with a Kawasaki engine have a Driven Clutch that has a Tapered Shaft.