Improve ride quality AND traction by reducing unsprung weight. Swap the rear brake Mk1/2/3 steel calipers to MK4 aluminum versions with this conversion kit. Use with original carriers. Fits '93-1998 Golf/Jetta 4 cylinder/VR6 directly. Mk1 vehicles may require small adjustments to hard lines and/or extended emergency brake cables. Upgrade to braided steel and enjoy a more sensitive/less mushy pedal feeling.