Access the x, y, z, w components using [0], [1], [2], [3] respectively.
#pragma strict public var p: Vector4; // the same as p.w = 5 p[3] = 5;
using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { public Vector4 p;
void Example() { // the same as p.w = 5 p[3] = 5; } }