4 link
heres some measurments, 15.125 center of axle to floor,10.625 back bottom bolt to floor--back top bar bolt center to floor is 18.5 -- front bottom bolt to floor is9.875 --top front is 15.375,--- top bolt to axel center is 1.125 -- top bar is 19.625 - bottom bar is 20.375 also balanced the car with me in it and it balances at 63 inches from center of rear axel. thanks Eric