Cut several small slits in pork; stuff garlic into slits.
Combine oil and next 4 ingredients in a shallow dish; add pork. Cover and chill 2 hours, turning occasionally.
Bake at 325° for 55 minutes or until a meat thermometer inserted into thickest portion registers 160°. Remove from oven; cool. Cut into 1/4-inch-thick slices. Pour Bourbon Sauce over pork; cover and chill 8 hours. Serve pork on split rolls.