Maxima V-Twin Engine Oil Change Kit Maxima V-Twin Quick Change Kits are designed to ease the oil change process of your Harley-Davidson TwinCam. Each kit comes with all necessary products to complete an engine oil change, including a ProFilter wrench removable premium oil filter and drain plug O-rings. Features: Kit comes with a ProFilter wrench removable premium oil filter Reduces friction & engine temperatures High temperature additive system Exceeds OEM specifications Includes: 4 Quarts synthetic 20W50 engine oil 1 ProFilter wrench removable premium oil filter Drain plug O-rings