W150 1/2 Ton Pickup 4WD V8-318 5.2L VIN Y FI (1988)
Brake Caliper: Specifications
Bore and Piston Dimensions
Bore and Piston Dimensions
Caliper Bore Inside Diameter
Note: Caliper piston bore diameter may be honed, but do not
oversize bore more than .001 inch.
Piston Outside Diameter
3.1 in