Convoluted cv boot used on Vintage FF cars
The bellows-style boot is much more flexible, exceeding the joint's full 12 degrees of travel.
The actual bolt hole circle on this version measures slightly larger than 78mm. A little work with a file or rotary tool to elongate the holes will loosen the fit for easy installation. This version does not include any grease or installation hardware.
The Standard bellows-style boot (shown at right) is much more flexible and is able to exceed the joint's full 12 degrees of travel. This version includes a packet of high-quality CV joint grease and OEM-type installation hardware.