SLIP JOINT /

All about engine:slip joint. the gearbox that stays fix with cros members. But stay connect rear excel with spring and the wheels are fix with excel. And that wheels gets up and down as the surface of way by this time the spring gets press less and more on behalf of rear axle housing. And as well could be press less more the housings of differential unit. And for this situation gives spline from the one side for decrease and increase the longing of propeller shafts. And the same spline are in the inner side on the yoke of universal joint. And therefore could be slide the universal joint on the propeller shaft.