Hi Mark
M16 have the same Bolt Pattern (Distance) 3.25" 82.55mm
You could also use some Toyota 4 Pot Caliper some are also 82.55mm .. if they work with the TR8 Disc , I don't know..
Thank you. According to
www.rockauto.com, I think the parts are:
Raybestos RC3466 (left) and RC3465 (right) - used on the 1979-85 Pickup and 84-85 4Runner for the fully loaded calipers including pad. $52 each plus $10 core charge.
A friend is working this project, he bought a set of calipers from a Toyota T1004x4 (93) and the bolt spacing is 3,25 inches$
Hello from Switzerland
Frank